Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Erin Jackson

Bib: 18812FAge: N/A

MD

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 47%
Masters (Masters Women)
#0 / 6862
Top 33%
Age Group (F45-49)
#0 / 1786
Top 42%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Erin

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 · 7:30/mi at mile 13.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
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
23:46
3.11 mi
Rank: #14138
Start5K
23:46 | 7:39/mi
10K
47:21
6.21 mi
Rank: #13929 (+209)
5K10K
23:35 | 7:36/mi
15K
1:11:05
9.32 mi
Rank: #13898 (+31)
10K15K
23:44 | 7:39/mi
20K
1:35:00
12.43 mi
Rank: #13814 (+84)
15K20K
23:55 | 7:42/mi
HALF
1:40:07
13.11 mi
Rank: #13762 (+52)
20KHALF
5:07 | 7:31/mi
25K
1:58:43
15.53 mi
Rank: #13581 (+181)
HALF25K
18:36 | 7:41/mi
30K
2:23:32
18.64 mi
Rank: #13531 (+50)
25K30K
24:49 | 8:00/mi
20M
2:34:58
20.00 mi
Rank: #13669 (-138)
30K20M
11:26 | 8:26/mi
21M
2:44:30
21.00 mi
Rank: #14015 (-346)
20M21M
9:32 | 9:32/mi
35K
2:51:23
21.75 mi
Rank: #14333 (-318)
21M35K
6:53 | 9:13/mi
23M
3:05:33
23.00 mi
Rank: #15631 (-1298)
35K23M
14:10 | 11:20/mi
24M
3:15:59
24.00 mi
Rank: #16215 (-584)
23M24M
10:26 | 10:26/mi
40K
3:23:43
24.85 mi
Rank: #16299 (-84)
24M40K
7:44 | 9:03/mi
25.2M
3:27:15
25.20 mi
Rank: #16389 (-90)
40K25.2M
3:32 | 10:15/mi
FINISH
3:36:20
26.22 mi
Rank: #16563 (-174)
25.2MFINISH
9:05 | 8:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:07
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:56:13
Pace8:52 /mi
📊Positive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:4923:467:3923:46
7:39
-
10K
6.21 mi11:30:2447:217:3823:35
7:36
-0:03
15K
9.32 mi11:54:081:11:057:3823:44
7:39
+0:03
20K
12.43 mi12:18:031:35:007:3923:55
7:42
+0:03
HALF
13.11 mi12:23:101:40:077:395:07
7:31
-0:11
25K
15.53 mi12:41:461:58:437:3918:36
7:41
+0:10
30K
18.64 mi13:06:352:23:327:4224:49
8:00
+0:19
20M
20.00 mi13:18:012:34:587:4511:26
8:26
+0:26
21M
21.00 mi13:27:332:44:307:519:32
9:32
+1:06
35K
21.75 mi13:34:262:51:237:536:53
9:13
-0:19
23M
23.00 mi13:48:363:05:338:0514:10
11:20
+2:07
24M
24.00 mi13:59:023:15:598:1010:26
10:26
-0:54
40K
24.85 mi14:06:463:23:438:127:44
9:03
-1:23
25.2M
25.20 mi14:10:183:27:158:143:32
10:15
+1:12
FINISH
26.22 mi14:19:233:36:208:169:05
8:55
-1:20

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

7:31 /mi

Average Pace

8:15 /mi

Slowest Pace

11:20 /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

1:58:43

55% of race

Time at Steady Pace

45:20

21% of race

Time at Slower Pace

52:17

24% of race

Average Pace: 8:15 /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 mi11:06:4923:467:3923:46
7:39
#14138
10K
6.21 mi11:30:2447:217:3823:35
7:36
#13929
15K
9.32 mi11:54:081:11:057:3823:44
7:39
#13898
20K
12.43 mi12:18:031:35:007:3923:55
7:42
#13814
HALF
13.11 mi12:23:101:40:077:395:07
7:31
#13762
25K
15.53 mi12:41:461:58:437:3918:36
7:41
#13581
30K
18.64 mi13:06:352:23:327:4224:49
8:00
#13531
20M
20.00 mi13:18:012:34:587:4511:26
8:26
#13669
21M
21.00 mi13:27:332:44:307:519:32
9:32
#14015
35K
21.75 mi13:34:262:51:237:536:53
9:13
#14333
23M
23.00 mi13:48:363:05:338:0514:10
11:20
#15631
24M
24.00 mi13:59:023:15:598:1010:26
10:26
#16215
40K
24.85 mi14:06:463:23:438:127:44
9:03
#16299
25.2M
25.20 mi14:10:183:27:158:143:32
10:15
#16389
FINISH
26.22 mi14:19:233:36:208:169:05
8:55
#16563
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi141384158415814033(Top 48%)4159(Top 33%)4159(Top 233%)
10K6.21 mi3.10 mi13929+2094052+1064052+10613807(Top 48%)4009(Top 32%)4009(Top 224%)
15K9.32 mi3.11 mi13898+314055-34055-314033(Top 48%)4159(Top 33%)4159(Top 233%)
20K12.43 mi3.11 mi13814+844039+164039+1613730(Top 47%)4066(Top 32%)4066(Top 228%)
HALF13.11 mi0.68 mi13762+524005+344005+3413177(Top 45%)3701(Top 29%)3701(Top 207%)
25K15.53 mi2.42 mi13581+1813924+813924+8112827(Top 44%)3638(Top 29%)3638(Top 204%)
30K18.64 mi3.11 mi13531+503940-163940-1613423(Top 46%)4083(Top 32%)4083(Top 229%)
20M20.00 mi1.36 mi13669-1384040-1004040-10015721(Top 54%)5485(Top 44%)5485(Top 307%)
21M21.00 mi1.00 mi14015-3464273-2334273-23318666(Top 64%)7139(Top 57%)7139(Top 400%)
35K21.75 mi0.75 mi14333-3184461-1884461-18820808(Top 72%)8340(Top 66%)8340(Top 467%)
23M23.00 mi1.25 mi15631-12985264-8035264-80325109(Top 87%)10623(Top 84%)10623(Top 595%)
24M24.00 mi1.00 mi16215-5845622-3585622-35823947(Top 83%)10047(Top 80%)10047(Top 563%)
40K24.85 mi0.85 mi16299-845690-685690-6818616(Top 64%)7367(Top 59%)7367(Top 412%)
25.2M25.20 mi0.35 mi16389-905752-625752-6220260(Top 70%)8186(Top 65%)8186(Top 458%)
FINISH26.22 mi1.02 mi16563-1745861-1095861-10920161(Top 69%)8155(Top 65%)8155(Top 457%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21
+97ft-345ft

Overall

14033

Females

4159

F45-49

4159

5K→10K

3.1 - 6.2 mi

Top 48%
×5
+79ft-138ft

Overall

13807

Females

4009

F45-49

4009

10K→15K

6.2 - 9.3 mi

Top 48%
×3
+67ft-78ft

Overall

14033

Females

4159

F45-49

4159

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13730

Females

4066

F45-49

4066

20K→HALF

12.4 - 13.1 mi

Top 45%
×2
+19ft-37ft

Overall

13177

Females

3701

F45-49

3701

HALF→25K

13.1 - 15.5 mi

Top 44%
×4
+66ft-88ft

Overall

12827

Females

3638

F45-49

3638

25K→30K

15.5 - 18.6 mi

Top 46%
×9
+181ft-148ft

Overall

13423

Females

4083

F45-49

4083

30K→20M

18.6 - 20.0 mi

Top 54%
×5
+64ft-50ft

Overall

15721

Females

5485

F45-49

5485

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18666

Females

7139

F45-49

7139

21M→35K

21.0 - 21.8 mi

Top 72%
×7
+17ft-86ft

Overall

20808

Females

8340

F45-49

8340

35K→23M

21.8 - 23.0 mi

Top 87%
×5
+23ft-63ft

Overall

25109

Females

10623

F45-49

10623

23M→24M

23.0 - 24.0 mi

Top 83%
×6
+12ft-82ft

Overall

23947

Females

10047

F45-49

10047

24M→40K

24.0 - 24.9 mi

Top 64%
×1
+6ft-20ft

Overall

18616

Females

7367

F45-49

7367

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1
+13ft-16ft

Overall

20260

Females

8186

F45-49

8186

25.2M→FINISH

25.2 - 26.2 mi

Top 69%
×2
+22ft-21ft

Overall

20161

Females

8155

F45-49

8155

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1526*
Passed By
2142
Net Change
-2425
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14138
5K10K409*200+209#14138#13929
10K15K218*187+31#13929#13898
15K20K199115+84#13898#13814
20KHALF6816+52#13814#13762
HALF25K218*37+181#13762#13581
25K30K210*160+50#13581#13531
30K20M65200-138#13531#13669
20M21M29200-346#13669#14015
21M35K20200-318#14015#14333
35K23M4200-1298#14333#15631
23M24M6200-584#15631#16215
24M40K45129-84#16215#16299
40K25.2M898-90#16299#16389
25.2MFINISH27200-174#16389#16563
TOTALS1526*2142-2425

* 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