All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jerrica Stambaugh

Bib: 17852 •F •Age: N/A

TN

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
25:35
3.11 mi
Rank: #18438
Start → 5K
25:35 | 8:15/mi
10K
51:26
6.21 mi
Rank: #18899 (-461)
5K → 10K
25:51 | 8:20/mi
15K
1:17:30
9.32 mi
Rank: #19098 (-199)
10K → 15K
26:04 | 8:24/mi
20K
1:43:40
12.43 mi
Rank: #19022 (+76)
15K → 20K
26:10 | 8:26/mi
HALF
1:49:20
13.11 mi
Rank: #19025 (-3)
20K → HALF
5:40 | 8:19/mi
25K
2:09:34
15.53 mi
Rank: #18784 (+241)
HALF → 25K
20:14 | 8:21/mi
30K
2:35:50
18.64 mi
Rank: #18395 (+389)
25K → 30K
26:16 | 8:28/mi
20M
2:47:22
20.00 mi
Rank: #18210 (+185)
30K → 20M
11:32 | 8:30/mi
21M
2:56:23
21.00 mi
Rank: #18067 (+143)
20M → 21M
9:01 | 9:01/mi
35K
3:02:24
21.75 mi
Rank: #17950 (+117)
21M → 35K
6:01 | 8:03/mi
23M
3:12:32
23.00 mi
Rank: #17664 (+286)
35K → 23M
10:08 | 8:06/mi
24M
3:20:14
24.00 mi
Rank: #17390 (+274)
23M → 24M
7:42 | 7:42/mi
40K
3:26:58
24.85 mi
Rank: #17164 (+226)
24M → 40K
6:44 | 7:53/mi
25.2M
3:29:52
25.20 mi
Rank: #17074 (+90)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:37:32
26.22 mi
Rank: #16876 (+198)
25.2M → FINISH
7:40 | 7:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:49:20
Pace8:21 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:48:12
Pace8:16 /mi
📊Negative Split: 1.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:1325:358:1525:35
8:15
-
10K
6.21 mi11:53:0451:268:1725:51
8:20
+0:05
15K
9.32 mi12:19:081:17:308:1926:04
8:24
+0:04
20K
12.43 mi12:45:181:43:408:2126:10
8:26
+0:02
HALF
13.11 mi12:50:581:49:208:215:40
8:19
-0:07
25K
15.53 mi13:11:122:09:348:2120:14
8:21
+0:02
30K
18.64 mi13:37:282:35:508:2226:16
8:28
+0:07
20M
20.00 mi13:49:002:47:228:2311:32
8:30
+0:02
21M
21.00 mi13:58:012:56:238:249:01
9:01
+0:31
35K
21.75 mi14:04:023:02:248:246:01
8:03
-0:58
23M
23.00 mi14:14:103:12:328:2310:08
8:06
+0:03
24M
24.00 mi14:21:523:20:148:217:42
7:42
-0:24
40K
24.85 mi14:28:363:26:588:206:44
7:53
+0:11
25.2M
25.20 mi14:31:303:29:528:202:54
8:25
+0:32
FINISH
26.22 mi14:39:103:37:328:197:40
7:32
-0:53

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:32 /mi

Average Pace

8:18 /mi

Slowest Pace

9:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:03:50

29% of race

Time at Steady Pace

2:24:41

67% of race

Time at Slower Pace

9:01

4% of race

Average Pace: 8:18 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:27:1325:358:1525:35
8:15
#18438
10K
6.21 mi11:53:0451:268:1725:51
8:20
#18899
15K
9.32 mi12:19:081:17:308:1926:04
8:24
#19098
20K
12.43 mi12:45:181:43:408:2126:10
8:26
#19022
HALF
13.11 mi12:50:581:49:208:215:40
8:19
#19025
25K
15.53 mi13:11:122:09:348:2120:14
8:21
#18784
30K
18.64 mi13:37:282:35:508:2226:16
8:28
#18395
20M
20.00 mi13:49:002:47:228:2311:32
8:30
#18210
21M
21.00 mi13:58:012:56:238:249:01
9:01
#18067
35K
21.75 mi14:04:023:02:248:246:01
8:03
#17950
23M
23.00 mi14:14:103:12:328:2310:08
8:06
#17664
24M
24.00 mi14:21:523:20:148:217:42
7:42
#17390
40K
24.85 mi14:28:363:26:588:206:44
7:53
#17164
25.2M
25.20 mi14:31:303:29:528:202:54
8:25
#17074
FINISH
26.22 mi14:39:103:37:328:197:40
7:32
#16876
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi184386759675919508(Top 67%)7311(Top 58%)7311(Top 128%)
10K6.21 mi3.10 mi18899-4617010-2517010-25119310(Top 67%)7194(Top 57%)7194(Top 126%)
15K9.32 mi3.11 mi19098-1997112-1027112-10219508(Top 67%)7311(Top 58%)7311(Top 128%)
20K12.43 mi3.11 mi19022+767073+397073+3918861(Top 65%)6994(Top 56%)6994(Top 122%)
HALF13.11 mi0.68 mi19025-37075-27075-219119(Top 66%)7090(Top 56%)7090(Top 124%)
25K15.53 mi2.42 mi18784+2416941+1346941+13417657(Top 61%)6368(Top 51%)6368(Top 111%)
30K18.64 mi3.11 mi18395+3896762+1796762+17916619(Top 57%)5884(Top 47%)5884(Top 103%)
20M20.00 mi1.36 mi18210+1856684+786684+7816168(Top 56%)5739(Top 46%)5739(Top 100%)
21M21.00 mi1.00 mi18067+1436622+626622+6216250(Top 56%)5835(Top 46%)5835(Top 102%)
35K21.75 mi0.75 mi17950+1176562+606562+6014836(Top 51%)5117(Top 41%)5117(Top 90%)
23M23.00 mi1.25 mi17664+2866423+1396423+13913165(Top 45%)4264(Top 34%)4264(Top 75%)
24M24.00 mi1.00 mi17390+2746287+1366287+13611605(Top 40%)3514(Top 28%)3514(Top 61%)
40K24.85 mi0.85 mi17164+2266175+1126175+11211681(Top 40%)3624(Top 29%)3624(Top 63%)
25.2M25.20 mi0.35 mi17074+906138+376138+3711193(Top 39%)3484(Top 28%)3484(Top 61%)
FINISH26.22 mi1.02 mi16876+1986050+886050+8811679(Top 40%)3713(Top 30%)3713(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21
+97ft-345ft

Overall

19508

Females

7311

F18-39

7311

5K→10K

3.1 - 6.2 mi

Top 67%
×5
+79ft-138ft

Overall

19310

Females

7194

F18-39

7194

10K→15K

6.2 - 9.3 mi

Top 67%
×3
+67ft-78ft

Overall

19508

Females

7311

F18-39

7311

15K→20K

9.3 - 12.4 mi

Top 65%
×5
+106ft-86ft

Overall

18861

Females

6994

F18-39

6994

20K→HALF

12.4 - 13.1 mi

Top 66%
×2
+19ft-37ft

Overall

19119

Females

7090

F18-39

7090

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17657

Females

6368

F18-39

6368

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16619

Females

5884

F18-39

5884

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16168

Females

5739

F18-39

5739

20M→21M

20.0 - 21.0 mi

Top 56%
×8
+106ft-24ft

Overall

16250

Females

5835

F18-39

5835

21M→35K

21.0 - 21.8 mi

Top 51%
×7
+17ft-86ft

Overall

14836

Females

5117

F18-39

5117

35K→23M

21.8 - 23.0 mi

Top 45%
×5
+23ft-63ft

Overall

13165

Females

4264

F18-39

4264

23M→24M

23.0 - 24.0 mi

Top 40%
×6
+12ft-82ft

Overall

11605

Females

3514

F18-39

3514

24M→40K

24.0 - 24.9 mi

Top 40%
×1
+6ft-20ft

Overall

11681

Females

3624

F18-39

3624

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1
+13ft-16ft

Overall

11193

Females

3484

F18-39

3484

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11679

Females

3713

F18-39

3713

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2673*
Passed By
636
Net Change
+1562
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18438
5K → 10K110200-461#18438#18899
10K → 15K105200-199#18899#19098
15K → 20K178102+76#19098#19022
20K → HALF3437-3#19022#19025
HALF → 25K274*33+241#19025#18784
25K → 30K410*21+389#18784#18395
30K → 20M202*17+185#18395#18210
20M → 21M15916+143#18210#18067
21M → 35K1214+117#18067#17950
35K → 23M288*2+286#17950#17664
23M → 24M274*0+274#17664#17390
24M → 40K227*1+226#17390#17164
40K → 25.2M900+90#17164#17074
25.2M → FINISH201*3+198#17074#16876
TOTALS2673*636+1562

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI Performance Report includes:
  • Fatigue & pacing analysis
  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
Shareable via link — view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback