Boston Marathon logo
BOSTON MARATHON 2025

April Bertin

Bib: 14861•F

MI

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Masters (Masters Women)
#0 / 6759
Top 6%
Division (F40-44)
#0 / 1718
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:24/mi
23:00
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
45:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:25/mi
1:08:48
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:31:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:36:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:26/mi
1:54:51
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:18:46
↑ 181↓ 1480.2%
20M
7:49/mi
2:29:24
↑ 64↓ 500.2%
21M
8:11/mi
2:37:35
↑ 106↓ 241.6%
35K· 21.75 mi
7:30/mi
2:43:12
↑ 17↓ 861.7%
23M
8:14/mi
2:53:31
↑ 23↓ 630.6%
24M
7:50/mi
3:01:21
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:08:07
↓ 200.3%
25.2M
8:27/mi
3:11:02
↑ 13↓ 160.2%
Finish· 26.22 mi
7:08/mi
3:18:18
↑ 22↓ 21

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
Time1:36:50
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:41:28
Pace7:44 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3323:007:2423:00
7:24
-
10K
6.21 mi11:17:2045:477:2222:47
7:20
-0:04
15K
9.32 mi11:40:211:08:487:2323:01
7:25
+0:05
20K
12.43 mi12:03:221:31:497:2323:01
7:25
0:00
Half
13.11 mi12:08:231:36:507:235:01
7:21
-0:04
25K
15.53 mi12:26:241:54:517:2418:01
7:26
+0:05
30K
18.64 mi12:50:192:18:467:2723:55
7:42
+0:16
20M
20.00 mi13:00:572:29:247:2810:38
7:49
+0:07
21M
21.00 mi13:09:082:37:357:308:11
8:11
+0:22
35K
21.75 mi13:14:452:43:127:305:37
7:30
-0:41
23M
23.00 mi13:25:042:53:317:3310:19
8:14
+0:44
24M
24.00 mi13:32:543:01:217:337:50
7:50
-0:24
40K
24.85 mi13:39:403:08:077:346:46
7:55
+0:05
25.2M
25.20 mi13:42:353:11:027:352:55
8:27
+0:32
Finish
26.22 mi13:49:513:18:187:347:16
7:08
-1:19

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

7:08 /mi

Average Pace

7:34 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:07

86% of race

Time at Steady Pace

25:16

13% of race

Time at Slower Pace

2:55

1% of race

Average Pace: 7:34 /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 mi10:54:3323:007:2423:00
7:24
#11365
10K
6.21 mi11:17:2045:477:2222:47
7:20
#10942
15K
9.32 mi11:40:211:08:487:2323:01
7:25
#10899
20K
12.43 mi12:03:221:31:497:2323:01
7:25
#10650
Half
13.11 mi12:08:231:36:507:235:01
7:21
#10638
25K
15.53 mi12:26:241:54:517:2418:01
7:26
#10392
30K
18.64 mi12:50:192:18:467:2723:55
7:42
#10092
20M
20.00 mi13:00:572:29:247:2810:38
7:49
#9961
21M
21.00 mi13:09:082:37:357:308:11
8:11
#9824
35K
21.75 mi13:14:452:43:127:305:37
7:30
#9773
23M
23.00 mi13:25:042:53:317:3310:19
8:14
#9894
24M
24.00 mi13:32:543:01:217:337:50
7:50
#9847
40K
24.85 mi13:39:403:08:077:346:46
7:55
#9815
25.2M
25.20 mi13:42:353:11:027:352:55
8:27
#9777
Finish
26.22 mi13:49:513:18:187:347:16
7:08
#9614
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi113652467246710962(Top 39%)2356(Top 19%)2356(Top 137%)
10K6.21 mi3.10 mi10942+4232278+1892278+18910613(Top 37%)2115(Top 17%)2115(Top 123%)
15K9.32 mi3.11 mi10899+432267+112267+1110962(Top 39%)2356(Top 19%)2356(Top 137%)
20K12.43 mi3.11 mi10650+2492176+912176+919983(Top 35%)1956(Top 16%)1956(Top 114%)
Half13.11 mi0.68 mi10638+122162+142162+1410529(Top 37%)2194(Top 18%)2194(Top 128%)
25K15.53 mi2.42 mi10392+2462081+812081+819411(Top 33%)1835(Top 15%)1835(Top 107%)
30K18.64 mi3.11 mi10092+3002005+762005+769196(Top 32%)1923(Top 16%)1923(Top 112%)
20M20.00 mi1.36 mi9961+1311969+361969+369209(Top 32%)2079(Top 17%)2079(Top 121%)
21M21.00 mi1.00 mi9824+1371942+271942+278506(Top 30%)1941(Top 16%)1941(Top 113%)
35K21.75 mi0.75 mi9773+511944-21944-28718(Top 31%)1997(Top 16%)1997(Top 116%)
23M23.00 mi1.25 mi9894-1212062-1182062-11811651(Top 41%)3549(Top 29%)3549(Top 207%)
24M24.00 mi1.00 mi9847+472063-12063-110069(Top 35%)2833(Top 23%)2833(Top 165%)
40K24.85 mi0.85 mi9815+322088-252088-259589(Top 34%)2714(Top 22%)2714(Top 158%)
25.2M25.20 mi0.35 mi9777+382091-32091-38616(Top 30%)2329(Top 19%)2329(Top 136%)
Finish26.22 mi1.02 mi9614+1632051+402051+406619(Top 23%)1505(Top 12%)1505(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10962

Females

2356

F40-44

2356

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10613

Females

2115

F40-44

2115

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10962

Females

2356

F40-44

2356

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9983

Females

1956

F40-44

1956

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

10529

Females

2194

F40-44

2194

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9411

Females

1835

F40-44

1835

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9196

Females

1923

F40-44

1923

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

9209

Females

2079

F40-44

2079

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8506

Females

1941

F40-44

1941

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8718

Females

1997

F40-44

1997

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11651

Females

3549

F40-44

3549

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

10069

Females

2833

F40-44

2833

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9589

Females

2714

F40-44

2714

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8616

Females

2329

F40-44

2329

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6619

Females

1505

F40-44

1505

Passing Analysis

Category:
Athletes Passed
2680*
Passed By
926
Net Change
+1751
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11365
5K → 10K536113+423#11365#10942
10K → 15K195152+43#10942#10899
15K → 20K30152+249#10899#10650
20K → Half4331+12#10650#10638
Half → 25K29145+246#10638#10392
25K → 30K38483+300#10392#10092
30K → 20M182*51+131#10092#9961
20M → 21M17336+137#9961#9824
21M → 35K8736+51#9824#9773
35K → 23M78198-121#9773#9894
23M → 24M9548+47#9894#9847
24M → 40K8653+32#9847#9815
40K → 25.2M6123+38#9815#9777
25.2M → Finish1685+163#9777#9614
TOTALS2680*926+1751

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

📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing