Boston Marathon logo
BOSTON MARATHON 2025

Corinne Yorkman

Bib: 16342•F

OH

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 24%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:59
Rank: #11297
Start → 5K
22:59 | 7:24/mi
10K· 6.21 mi
45:57
Rank: #11198 (+99)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:08:52
Rank: #10959 (+239)
10K → 15K
22:55 | 7:23/mi
20K· 12.43 mi
1:31:39
Rank: #10541 (+418)
15K → 20K
22:47 | 7:20/mi
Half· 13.11 mi
1:36:37
Rank: #10481 (+60)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:53:55
Rank: #9854 (+627)
Half → 25K
17:18 | 7:08/mi
30K· 18.64 mi
2:16:20
Rank: #8960 (+894)
25K → 30K
22:25 | 7:13/mi
20M
2:26:05
Rank: #8553 (+407)
30K → 20M
9:45 | 7:10/mi
21M
2:33:31
Rank: #8217 (+336)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:38:29
Rank: #7953 (+264)
21M → 35K
4:58 | 6:38/mi
23M
2:47:11
Rank: #7605 (+348)
35K → 23M
8:42 | 6:57/mi
24M
2:53:57
Rank: #7340 (+265)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:59:52
Rank: #7140 (+200)
24M → 40K
5:55 | 6:55/mi
25.2M
3:02:26
Rank: #7049 (+91)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:09:09
Rank: #6817 (+232)
25.2M → Finish
6:43 | 6:35/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
Time1:36:37
Pace7:22 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:32:32
Pace7:04 /mi
📊Negative Split: 4.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1322:597:2422:59
7:24
-
10K
6.21 mi11:18:1145:577:2422:58
7:24
0:00
15K
9.32 mi11:41:061:08:527:2322:55
7:23
-0:01
20K
12.43 mi12:03:531:31:397:2222:47
7:20
-0:03
Half
13.11 mi12:08:511:36:377:224:58
7:17
-0:03
25K
15.53 mi12:26:091:53:557:2017:18
7:08
-0:09
30K
18.64 mi12:48:342:16:207:1922:25
7:13
+0:05
20M
20.00 mi12:58:192:26:057:189:45
7:10
-0:03
21M
21.00 mi13:05:452:33:317:197:26
7:26
+0:16
35K
21.75 mi13:10:432:38:297:174:58
6:38
-0:48
23M
23.00 mi13:19:252:47:117:168:42
6:57
+0:19
24M
24.00 mi13:26:112:53:577:156:46
6:46
-0:11
40K
24.85 mi13:32:062:59:527:145:55
6:55
+0:09
25.2M
25.20 mi13:34:403:02:267:142:34
7:27
+0:32
Finish
26.22 mi13:41:233:09:097:136:43
6:35
-0:52

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

6:35 /mi

Average Pace

7:13 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:32

44% of race

Time at Steady Pace

1:46:37

56% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:13 /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 mi10:55:1322:597:2422:59
7:24
#11297
10K
6.21 mi11:18:1145:577:2422:58
7:24
#11198
15K
9.32 mi11:41:061:08:527:2322:55
7:23
#10959
20K
12.43 mi12:03:531:31:397:2222:47
7:20
#10541
Half
13.11 mi12:08:511:36:377:224:58
7:17
#10481
25K
15.53 mi12:26:091:53:557:2017:18
7:08
#9854
30K
18.64 mi12:48:342:16:207:1922:25
7:13
#8960
20M
20.00 mi12:58:192:26:057:189:45
7:10
#8553
21M
21.00 mi13:05:452:33:317:197:26
7:26
#8217
35K
21.75 mi13:10:432:38:297:174:58
6:38
#7953
23M
23.00 mi13:19:252:47:117:168:42
6:57
#7605
24M
24.00 mi13:26:112:53:577:156:46
6:46
#7340
40K
24.85 mi13:32:062:59:527:145:55
6:55
#7140
25.2M
25.20 mi13:34:403:02:267:142:34
7:27
#7049
Finish
26.22 mi13:41:233:09:097:136:43
6:35
#6817
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112972420242010650(Top 37%)2192(Top 18%)2192(Top 40%)
10K6.21 mi3.10 mi11198+992395+252395+2511128(Top 39%)2372(Top 19%)2372(Top 43%)
15K9.32 mi3.11 mi10959+2392296+992296+9910650(Top 37%)2192(Top 18%)2192(Top 40%)
20K12.43 mi3.11 mi10541+4182119+1772119+1779316(Top 33%)1647(Top 13%)1647(Top 30%)
Half13.11 mi0.68 mi10481+602091+282091+289830(Top 35%)1846(Top 15%)1846(Top 34%)
25K15.53 mi2.42 mi9854+6271837+2541837+2547203(Top 25%)927(Top 8%)927(Top 17%)
30K18.64 mi3.11 mi8960+8941495+3421495+3426003(Top 21%)681(Top 6%)681(Top 12%)
20M20.00 mi1.36 mi8553+4071353+1421353+1425098(Top 18%)535(Top 4%)535(Top 10%)
21M21.00 mi1.00 mi8217+3361254+991254+994311(Top 15%)440(Top 4%)440(Top 8%)
35K21.75 mi0.75 mi7953+2641180+741180+743222(Top 11%)271(Top 2%)271(Top 5%)
23M23.00 mi1.25 mi7605+3481098+821098+823500(Top 12%)319(Top 3%)319(Top 6%)
24M24.00 mi1.00 mi7340+2651036+621036+623366(Top 12%)332(Top 3%)332(Top 6%)
40K24.85 mi0.85 mi7140+200991+45991+453508(Top 12%)388(Top 3%)388(Top 7%)
25.2M25.20 mi0.35 mi7049+91980+11980+113249(Top 11%)386(Top 3%)386(Top 7%)
Finish26.22 mi1.02 mi6817+232927+53927+533332(Top 12%)399(Top 3%)399(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10650

Females

2192

F18-39

2192

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

11128

Females

2372

F18-39

2372

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10650

Females

2192

F18-39

2192

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9316

Females

1647

F18-39

1647

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9830

Females

1846

F18-39

1846

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7203

Females

927

F18-39

927

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

6003

Females

681

F18-39

681

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5098

Females

535

F18-39

535

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4311

Females

440

F18-39

440

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3222

Females

271

F18-39

271

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3500

Females

319

F18-39

319

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3366

Females

332

F18-39

332

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3508

Females

388

F18-39

388

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3249

Females

386

F18-39

386

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3332

Females

399

F18-39

399

Passing Analysis

Category:
Athletes Passed
4788*
Passed By
308
Net Change
+4480
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11297
5K → 10K307208+99#11297#11198
10K → 15K30768+239#11198#10959
15K → 20K43315+418#10959#10541
20K → Half7313+60#10541#10481
Half → 25K628*1+627#10481#9854
25K → 30K8940+894#9854#8960
30K → 20M4070+407#8960#8553
20M → 21M3382+336#8553#8217
21M → 35K2640+264#8217#7953
35K → 23M3480+348#7953#7605
23M → 24M2650+265#7605#7340
24M → 40K2011+200#7340#7140
40K → 25.2M910+91#7140#7049
25.2M → Finish2320+232#7049#6817
TOTALS4788*308+4480

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

📊

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