Boston Marathon logo
BOSTON MARATHON 2025

Erin Atkinson

Bib: 17205•F

MD

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 40%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:44
Rank: #13408
Start → 5K
23:44 | 7:38/mi
10K· 6.21 mi
47:18
Rank: #13140 (+268)
5K → 10K
23:34 | 7:35/mi
15K· 9.32 mi
1:10:44
Rank: #12760 (+380)
10K → 15K
23:26 | 7:33/mi
20K· 12.43 mi
1:35:11
Rank: #12993 (-233)
15K → 20K
24:27 | 7:52/mi
Half· 13.11 mi
1:40:39
Rank: #13164 (-171)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:01:11
Rank: #13898 (-734)
Half → 25K
20:32 | 8:28/mi
30K· 18.64 mi
2:28:31
Rank: #14424 (-526)
25K → 30K
27:20 | 8:48/mi
20M
2:40:50
Rank: #14675 (-251)
30K → 20M
12:19 | 9:04/mi
21M
2:50:29
Rank: #14796 (-121)
20M → 21M
9:39 | 9:39/mi
35K· 21.75 mi
2:57:13
Rank: #14929 (-133)
21M → 35K
6:44 | 9:00/mi
23M
3:08:46
Rank: #15082 (-153)
35K → 23M
11:33 | 9:13/mi
24M
3:17:42
Rank: #15163 (-81)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:25:14
Rank: #15157 (+6)
24M → 40K
7:32 | 8:49/mi
25.2M
3:28:33
Rank: #15138 (+19)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:36:34
Rank: #14987 (+151)
25.2M → Finish
8:01 | 7:52/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:39
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:55:55
Pace8:51 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5323:447:3823:44
7:38
-
10K
6.21 mi11:37:2747:187:3723:34
7:35
-0:03
15K
9.32 mi12:00:531:10:447:3523:26
7:33
-0:02
20K
12.43 mi12:25:201:35:117:4024:27
7:52
+0:19
Half
13.11 mi12:30:481:40:397:415:28
8:01
+0:09
25K
15.53 mi12:51:202:01:117:4820:32
8:28
+0:27
30K
18.64 mi13:18:402:28:317:5827:20
8:48
+0:20
20M
20.00 mi13:30:592:40:508:0212:19
9:04
+0:16
21M
21.00 mi13:40:382:50:298:079:39
9:39
+0:35
35K
21.75 mi13:47:222:57:138:096:44
9:00
-0:39
23M
23.00 mi13:58:553:08:468:1211:33
9:13
+0:13
24M
24.00 mi14:07:513:17:428:148:56
8:56
-0:17
40K
24.85 mi14:15:233:25:148:157:32
8:49
-0:07
25.2M
25.20 mi14:18:423:28:338:173:19
9:37
+0:48
Finish
26.22 mi14:26:433:36:348:168:01
7:52
-1:45

Checkpoints & Pacing

📈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

7:33 /mi

Average Pace

8:16 /mi

Slowest Pace

9:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:40

50% of race

Time at Steady Pace

1:23:23

39% of race

Time at Slower Pace

24:31

11% of race

Average Pace: 8:16 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:13:5323:447:3823:44
7:38
#13408
10K
6.21 mi11:37:2747:187:3723:34
7:35
#13140
15K
9.32 mi12:00:531:10:447:3523:26
7:33
#12760
20K
12.43 mi12:25:201:35:117:4024:27
7:52
#12993
Half
13.11 mi12:30:481:40:397:415:28
8:01
#13164
25K
15.53 mi12:51:202:01:117:4820:32
8:28
#13898
30K
18.64 mi13:18:402:28:317:5827:20
8:48
#14424
20M
20.00 mi13:30:592:40:508:0212:19
9:04
#14675
21M
21.00 mi13:40:382:50:298:079:39
9:39
#14796
35K
21.75 mi13:47:222:57:138:096:44
9:00
#14929
23M
23.00 mi13:58:553:08:468:1211:33
9:13
#15082
24M
24.00 mi14:07:513:17:428:148:56
8:56
#15163
40K
24.85 mi14:15:233:25:148:157:32
8:49
#15157
25.2M
25.20 mi14:18:423:28:338:173:19
9:37
#15138
Finish
26.22 mi14:26:433:36:348:168:01
7:52
#14987
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi134083557355712114(Top 43%)2972(Top 24%)2972(Top 54%)
10K6.21 mi3.10 mi13140+2683428+1293428+12912868(Top 45%)3298(Top 27%)3298(Top 60%)
15K9.32 mi3.11 mi12760+3803247+1813247+18112114(Top 43%)2972(Top 24%)2972(Top 54%)
20K12.43 mi3.11 mi12993-2333444-1973444-19713819(Top 49%)3999(Top 33%)3999(Top 73%)
Half13.11 mi0.68 mi13164-1713539-953539-9515915(Top 56%)5147(Top 42%)5147(Top 94%)
25K15.53 mi2.42 mi13898-7343989-4503989-45016968(Top 60%)5840(Top 48%)5840(Top 107%)
30K18.64 mi3.11 mi14424-5264350-3614350-36116581(Top 58%)5797(Top 47%)5797(Top 106%)
20M20.00 mi1.36 mi14675-2514518-1684518-16817101(Top 60%)6203(Top 51%)6203(Top 113%)
21M21.00 mi1.00 mi14796-1214607-894607-8916745(Top 59%)6127(Top 50%)6127(Top 112%)
35K21.75 mi0.75 mi14929-1334697-904697-9018182(Top 64%)7016(Top 57%)7016(Top 128%)
23M23.00 mi1.25 mi15082-1534817-1204817-12017417(Top 61%)6680(Top 55%)6680(Top 122%)
24M24.00 mi1.00 mi15163-814900-834900-8316978(Top 60%)6500(Top 53%)6500(Top 119%)
40K24.85 mi0.85 mi15157+64934-344934-3415205(Top 54%)5648(Top 46%)5648(Top 103%)
25.2M25.20 mi0.35 mi15138+194932+24932+215069(Top 53%)5616(Top 46%)5616(Top 103%)
Finish26.22 mi1.02 mi14987+1514870+624870+6211880(Top 42%)3886(Top 32%)3886(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

12114

Females

2972

F18-39

2972

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12868

Females

3298

F18-39

3298

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

12114

Females

2972

F18-39

2972

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13819

Females

3999

F18-39

3999

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15915

Females

5147

F18-39

5147

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

16968

Females

5840

F18-39

5840

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16581

Females

5797

F18-39

5797

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

17101

Females

6203

F18-39

6203

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16745

Females

6127

F18-39

6127

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18182

Females

7016

F18-39

7016

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17417

Females

6680

F18-39

6680

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16978

Females

6500

F18-39

6500

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15205

Females

5648

F18-39

5648

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15069

Females

5616

F18-39

5616

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11880

Females

3886

F18-39

3886

Passing Analysis

Category:
Athletes Passed
1776
Passed By
3355
Net Change
-1579
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13408
5K → 10K432164+268#13408#13140
10K → 15K44262+380#13140#12760
15K → 20K134367-233#12760#12993
20K → Half7178-171#12993#13164
Half → 25K52786-734#13164#13898
25K → 30K124650-526#13898#14424
30K → 20M77328-251#14424#14675
20M → 21M67188-121#14675#14796
21M → 35K33166-133#14796#14929
35K → 23M73226-153#14929#15082
23M → 24M61142-81#15082#15163
24M → 40K6458+6#15163#15157
40K → 25.2M4324+19#15157#15138
25.2M → Finish16716+151#15138#14987
TOTALS17763355-1579
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

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

.gpx files up to 10MB

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing