All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kelsey Stromberg

Bib: 17089 •F •Age: N/A

NJ

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

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 7:46/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
24:09
3.11 mi
Rank: #15208
Start → 5K
24:09 | 7:47/mi
10K
48:21
6.21 mi
Rank: #15323 (-115)
5K → 10K
24:12 | 7:48/mi
15K
1:12:37
9.32 mi
Rank: #15361 (-38)
10K → 15K
24:16 | 7:49/mi
20K
1:36:53
12.43 mi
Rank: #15140 (+221)
15K → 20K
24:16 | 7:49/mi
HALF
1:42:13
13.11 mi
Rank: #15170 (-30)
20K → HALF
5:20 | 7:50/mi
25K
2:01:45
15.53 mi
Rank: #15240 (-70)
HALF → 25K
19:32 | 8:04/mi
30K
2:29:36
18.64 mi
Rank: #16177 (-937)
25K → 30K
27:51 | 8:58/mi
20M
2:41:43
20.00 mi
Rank: #16369 (-192)
30K → 20M
12:07 | 8:56/mi
21M
2:51:44
21.00 mi
Rank: #16661 (-292)
20M → 21M
10:01 | 10:01/mi
35K
2:58:41
21.75 mi
Rank: #16856 (-195)
21M → 35K
6:57 | 9:18/mi
23M
3:10:49
23.00 mi
Rank: #17188 (-332)
35K → 23M
12:08 | 9:42/mi
24M
3:21:39
24.00 mi
Rank: #17789 (-601)
23M → 24M
10:50 | 10:50/mi
40K
3:29:42
24.85 mi
Rank: #17877 (-88)
24M → 40K
8:03 | 9:25/mi
25.2M
3:33:01
25.20 mi
Rank: #17871 (+6)
40K → 25.2M
3:19 | 9:38/mi
FINISH
3:41:30
26.22 mi
Rank: #17820 (+51)
25.2M → FINISH
8:29 | 8:20/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:13
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:59:17
Pace9:06 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:2724:097:4724:09
7:47
-
10K
6.21 mi11:29:3948:217:4724:12
7:48
+0:01
15K
9.32 mi11:53:551:12:377:4824:16
7:49
+0:01
20K
12.43 mi12:18:111:36:537:4824:16
7:49
0:00
HALF
13.11 mi12:23:311:42:137:485:20
7:50
+0:01
25K
15.53 mi12:43:032:01:457:5119:32
8:04
+0:14
30K
18.64 mi13:10:542:29:368:0227:51
8:58
+0:54
20M
20.00 mi13:23:012:41:438:0612:07
8:56
-0:02
21M
21.00 mi13:33:022:51:448:1110:01
10:01
+1:05
35K
21.75 mi13:39:592:58:418:136:57
9:18
-0:43
23M
23.00 mi13:52:073:10:498:1812:08
9:42
+0:24
24M
24.00 mi14:02:573:21:398:2510:50
10:50
+1:08
40K
24.85 mi14:11:003:29:428:278:03
9:25
-1:25
25.2M
25.20 mi14:14:193:33:018:283:19
9:38
+0:13
FINISH
26.22 mi14:22:483:41:308:288:29
8:20
-1:18

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

7:47 /mi

Average Pace

8:27 /mi

Slowest Pace

10:50 /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

2:10:14

59% of race

Time at Steady Pace

46:55

21% of race

Time at Slower Pace

44:21

20% of race

Average Pace: 8:27 /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 mi11:05:2724:097:4724:09
7:47
#15208
10K
6.21 mi11:29:3948:217:4724:12
7:48
#15323
15K
9.32 mi11:53:551:12:377:4824:16
7:49
#15361
20K
12.43 mi12:18:111:36:537:4824:16
7:49
#15140
HALF
13.11 mi12:23:311:42:137:485:20
7:50
#15170
25K
15.53 mi12:43:032:01:457:5119:32
8:04
#15240
30K
18.64 mi13:10:542:29:368:0227:51
8:58
#16177
20M
20.00 mi13:23:012:41:438:0612:07
8:56
#16369
21M
21.00 mi13:33:022:51:448:1110:01
10:01
#16661
35K
21.75 mi13:39:592:58:418:136:57
9:18
#16856
23M
23.00 mi13:52:073:10:498:1812:08
9:42
#17188
24M
24.00 mi14:02:573:21:398:2510:50
10:50
#17789
40K
24.85 mi14:11:003:29:428:278:03
9:25
#17877
25.2M
25.20 mi14:14:193:33:018:283:19
9:38
#17871
FINISH
26.22 mi14:22:483:41:308:288:29
8:20
#17820
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 mi152084822482215450(Top 53%)5018(Top 40%)5018(Top 88%)
10K6.21 mi3.10 mi15323-1154916-944916-9415571(Top 54%)5060(Top 40%)5060(Top 89%)
15K9.32 mi3.11 mi15361-384959-434959-4315450(Top 53%)5018(Top 40%)5018(Top 88%)
20K12.43 mi3.11 mi15140+2214834+1254834+12514640(Top 50%)4586(Top 36%)4586(Top 80%)
HALF13.11 mi0.68 mi15170-304850-164850-1615850(Top 55%)5267(Top 42%)5267(Top 92%)
25K15.53 mi2.42 mi15240-704902-524902-5215845(Top 55%)5338(Top 42%)5338(Top 93%)
30K18.64 mi3.11 mi16177-9375516-6145516-61419410(Top 67%)7432(Top 59%)7432(Top 130%)
20M20.00 mi1.36 mi16369-1925632-1165632-11618561(Top 64%)7057(Top 56%)7057(Top 123%)
21M21.00 mi1.00 mi16661-2925802-1705802-17020495(Top 71%)8099(Top 64%)8099(Top 142%)
35K21.75 mi0.75 mi16856-1955930-1285930-12821123(Top 73%)8491(Top 68%)8491(Top 149%)
23M23.00 mi1.25 mi17188-3326145-2156145-21521248(Top 73%)8600(Top 68%)8600(Top 150%)
24M24.00 mi1.00 mi17789-6016515-3706515-37024776(Top 85%)10480(Top 83%)10480(Top 183%)
40K24.85 mi0.85 mi17877-886587-726587-7220075(Top 69%)8100(Top 64%)8100(Top 142%)
25.2M25.20 mi0.35 mi17871+66593-66593-617922(Top 62%)6985(Top 56%)6985(Top 122%)
FINISH26.22 mi1.02 mi17820+516581+126581+1217216(Top 59%)6629(Top 53%)6629(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15450

Females

5018

F18-39

5018

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15571

Females

5060

F18-39

5060

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15450

Females

5018

F18-39

5018

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14640

Females

4586

F18-39

4586

20K→HALF

12.4 - 13.1 mi

Top 55%
×2
+19ft-37ft

Overall

15850

Females

5267

F18-39

5267

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

15845

Females

5338

F18-39

5338

25K→30K

15.5 - 18.6 mi

Top 67%
×9
+181ft-148ft

Overall

19410

Females

7432

F18-39

7432

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18561

Females

7057

F18-39

7057

20M→21M

20.0 - 21.0 mi

Top 71%
×8
+106ft-24ft

Overall

20495

Females

8099

F18-39

8099

21M→35K

21.0 - 21.8 mi

Top 73%
×7
+17ft-86ft

Overall

21123

Females

8491

F18-39

8491

35K→23M

21.8 - 23.0 mi

Top 73%
×5
+23ft-63ft

Overall

21248

Females

8600

F18-39

8600

23M→24M

23.0 - 24.0 mi

Top 85%
×6
+12ft-82ft

Overall

24776

Females

10480

F18-39

10480

24M→40K

24.0 - 24.9 mi

Top 69%
×1
+6ft-20ft

Overall

20075

Females

8100

F18-39

8100

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1
+13ft-16ft

Overall

17922

Females

6985

F18-39

6985

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17216

Females

6629

F18-39

6629

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1186*
Passed By
2112
Net Change
-2612
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15208
5K → 10K200200-115#15208#15323
10K → 15K193200-38#15323#15361
15K → 20K293*72+221#15361#15140
20K → HALF2757-30#15140#15170
HALF → 25K110180-70#15170#15240
25K → 30K45200-937#15240#16177
30K → 20M49200-192#16177#16369
20M → 21M33200-292#16369#16661
21M → 35K25200-195#16661#16856
35K → 23M37200-332#16856#17188
23M → 24M2200-601#17188#17789
24M → 40K46134-88#17789#17877
40K → 25.2M3327+6#17877#17871
25.2M → FINISH9342+51#17871#17820
TOTALS1186*2112-2612

* 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

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