Boston Marathon logo
BOSTON MARATHON 2025

Claudia Vachon

Bib: 13765•F

QC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:17
Rank: #9242
Start → 5K
22:17 | 7:10/mi
10K· 6.21 mi
44:34
Rank: #9216 (+26)
5K → 10K
22:17 | 7:10/mi
15K· 9.32 mi
1:06:42
Rank: #8962 (+254)
10K → 15K
22:08 | 7:07/mi
20K· 12.43 mi
1:29:12
Rank: #8787 (+175)
15K → 20K
22:30 | 7:15/mi
Half· 13.11 mi
1:34:01
Rank: #8720 (+67)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:51:26
Rank: #8455 (+265)
Half → 25K
17:25 | 7:11/mi
30K· 18.64 mi
2:13:43
Rank: #7852 (+603)
25K → 30K
22:17 | 7:10/mi
20M
2:23:25
Rank: #7540 (+312)
30K → 20M
9:42 | 7:08/mi
21M
2:30:48
Rank: #7273 (+267)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:35:58
Rank: #7129 (+144)
21M → 35K
5:10 | 6:54/mi
23M
2:44:41
Rank: #6832 (+297)
35K → 23M
8:43 | 6:58/mi
24M
2:51:21
Rank: #6551 (+281)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:57:03
Rank: #6349 (+202)
24M → 40K
5:42 | 6:40/mi
25.2M
2:59:29
Rank: #6222 (+127)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
3:06:02
Rank: #5994 (+228)
25.2M → Finish
6:33 | 6:26/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 Half
Distance13.11 mi
Time1:34:01
Pace7:10 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:32:01
Pace7:01 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1422:177:1022:17
7:10
-
10K
6.21 mi11:13:3144:347:1022:17
7:10
0:00
15K
9.32 mi11:35:391:06:427:0922:08
7:07
-0:03
20K
12.43 mi11:58:091:29:127:1122:30
7:15
+0:08
Half
13.11 mi12:02:581:34:017:104:49
7:04
-0:11
25K
15.53 mi12:20:231:51:267:1017:25
7:11
+0:07
30K
18.64 mi12:42:402:13:437:1022:17
7:10
-0:01
20M
20.00 mi12:52:222:23:257:109:42
7:08
-0:02
21M
21.00 mi12:59:452:30:487:117:23
7:23
+0:15
35K
21.75 mi13:04:552:35:587:105:10
6:54
-0:29
23M
23.00 mi13:13:382:44:417:108:43
6:58
+0:04
24M
24.00 mi13:20:182:51:217:086:40
6:40
-0:18
40K
24.85 mi13:26:002:57:037:075:42
6:40
0:00
25.2M
25.20 mi13:28:262:59:297:072:26
7:03
+0:23
Finish
26.22 mi13:34:593:06:027:066:33
6:26
-0:37

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

6:26 /mi

Average Pace

7:06 /mi

Slowest Pace

7:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:03

22% of race

Time at Steady Pace

2:25:59

78% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:06 /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 mi10:51:1422:177:1022:17
7:10
#9242
10K
6.21 mi11:13:3144:347:1022:17
7:10
#9216
15K
9.32 mi11:35:391:06:427:0922:08
7:07
#8962
20K
12.43 mi11:58:091:29:127:1122:30
7:15
#8787
Half
13.11 mi12:02:581:34:017:104:49
7:04
#8720
25K
15.53 mi12:20:231:51:267:1017:25
7:11
#8455
30K
18.64 mi12:42:402:13:437:1022:17
7:10
#7852
20M
20.00 mi12:52:222:23:257:109:42
7:08
#7540
21M
21.00 mi12:59:452:30:487:117:23
7:23
#7273
35K
21.75 mi13:04:552:35:587:105:10
6:54
#7129
23M
23.00 mi13:13:382:44:417:108:43
6:58
#6832
24M
24.00 mi13:20:182:51:217:086:40
6:40
#6551
40K
24.85 mi13:26:002:57:037:075:42
6:40
#6349
25.2M
25.20 mi13:28:262:59:297:072:26
7:03
#6222
Finish
26.22 mi13:34:593:06:027:066:33
6:26
#5994
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9242147514758506(Top 30%)1230(Top 10%)1230(Top 22%)
10K6.21 mi3.10 mi9216+261462+131462+139260(Top 33%)1485(Top 12%)1485(Top 27%)
15K9.32 mi3.11 mi8962+2541375+871375+878506(Top 30%)1230(Top 10%)1230(Top 22%)
20K12.43 mi3.11 mi8787+1751332+431332+438557(Top 30%)1329(Top 11%)1329(Top 24%)
Half13.11 mi0.68 mi8720+671310+221310+228035(Top 28%)1079(Top 9%)1079(Top 20%)
25K15.53 mi2.42 mi8455+2651221+891221+897489(Top 26%)1024(Top 8%)1024(Top 19%)
30K18.64 mi3.11 mi7852+6031043+1781043+1785763(Top 20%)612(Top 5%)612(Top 11%)
20M20.00 mi1.36 mi7540+312975+68975+684900(Top 17%)481(Top 4%)481(Top 9%)
21M21.00 mi1.00 mi7273+267913+62913+624066(Top 14%)381(Top 3%)381(Top 7%)
35K21.75 mi0.75 mi7129+144889+24889+244822(Top 17%)560(Top 5%)560(Top 10%)
23M23.00 mi1.25 mi6832+297837+52837+523566(Top 13%)331(Top 3%)331(Top 6%)
24M24.00 mi1.00 mi6551+281777+60777+602856(Top 10%)249(Top 2%)249(Top 5%)
40K24.85 mi0.85 mi6349+202736+41736+412272(Top 8%)184(Top 2%)184(Top 3%)
25.2M25.20 mi0.35 mi6222+127711+25711+251731(Top 6%)150(Top 1%)150(Top 3%)
Finish26.22 mi1.02 mi5994+228668+43668+432484(Top 9%)217(Top 2%)217(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8506

Females

1230

F18-39

1230

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9260

Females

1485

F18-39

1485

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8506

Females

1230

F18-39

1230

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8557

Females

1329

F18-39

1329

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

8035

Females

1079

F18-39

1079

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7489

Females

1024

F18-39

1024

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5763

Females

612

F18-39

612

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4900

Females

481

F18-39

481

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

4066

Females

381

F18-39

381

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4822

Females

560

F18-39

560

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3566

Females

331

F18-39

331

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2856

Females

249

F18-39

249

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2272

Females

184

F18-39

184

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1731

Females

150

F18-39

150

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2484

Females

217

F18-39

217

Passing Analysis

Category:
Athletes Passed
3641
Passed By
393
Net Change
+3248
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9242
5K → 10K247221+26#9242#9216
10K → 15K31662+254#9216#8962
15K → 20K25075+175#8962#8787
20K → Half725+67#8787#8720
Half → 25K29025+265#8720#8455
25K → 30K6063+603#8455#7852
30K → 20M3120+312#7852#7540
20M → 21M2670+267#7540#7273
21M → 35K1440+144#7273#7129
35K → 23M2970+297#7129#6832
23M → 24M2821+281#6832#6551
24M → 40K2020+202#6551#6349
40K → 25.2M1270+127#6349#6222
25.2M → Finish2291+228#6222#5994
TOTALS3641393+3248
📊

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