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BOSTON MARATHON 2025

Morgan Sansing

Bib: 7713•F

NH

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:42
Rank: #5145
Start → 5K
20:42 | 6:40/mi
10K· 6.21 mi
41:44
Rank: #5537 (-392)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:02:38
Rank: #5454 (+83)
10K → 15K
20:54 | 6:44/mi
20K· 12.43 mi
1:23:21
Rank: #5066 (+388)
15K → 20K
20:43 | 6:40/mi
Half· 13.11 mi
1:27:48
Rank: #4979 (+87)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:44:00
Rank: #4748 (+231)
Half → 25K
16:12 | 6:41/mi
30K· 18.64 mi
2:05:32
Rank: #4604 (+144)
25K → 30K
21:32 | 6:56/mi
20M
2:15:18
Rank: #4651 (-47)
30K → 20M
9:46 | 7:11/mi
21M
2:22:44
Rank: #4592 (+59)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:28:06
Rank: #4642 (-50)
21M → 35K
5:22 | 7:10/mi
23M
2:37:21
Rank: #4723 (-81)
35K → 23M
9:15 | 7:23/mi
24M
2:44:36
Rank: #4789 (-66)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
2:51:00
Rank: #4876 (-87)
24M → 40K
6:24 | 7:29/mi
25.2M
2:53:49
Rank: #4901 (-25)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:01:16
Rank: #4976 (-75)
25.2M → Finish
7:27 | 7:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:48
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:33:28
Pace7:08 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:2820:426:4020:42
6:40
-
10K
6.21 mi10:49:3041:446:4321:02
6:46
+0:06
15K
9.32 mi11:10:241:02:386:4320:54
6:44
-0:02
20K
12.43 mi11:31:071:23:216:4220:43
6:40
-0:04
Half
13.11 mi11:35:341:27:486:424:27
6:31
-0:09
25K
15.53 mi11:51:461:44:006:4216:12
6:41
+0:10
30K
18.64 mi12:13:182:05:326:4421:32
6:56
+0:15
20M
20.00 mi12:23:042:15:186:469:46
7:11
+0:15
21M
21.00 mi12:30:302:22:446:487:26
7:26
+0:15
35K
21.75 mi12:35:522:28:066:495:22
7:10
-0:16
23M
23.00 mi12:45:072:37:216:509:15
7:23
+0:13
24M
24.00 mi12:52:222:44:366:527:15
7:15
-0:08
40K
24.85 mi12:58:462:51:006:536:24
7:29
+0:14
25.2M
25.20 mi13:01:352:53:496:542:49
8:10
+0:41
Finish
26.22 mi13:09:023:01:166:557:27
7:19
-0:51

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

6:31 /mi

Average Pace

6:55 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:32

69% of race

Time at Steady Pace

29:50

16% of race

Time at Slower Pace

25:54

14% of race

Average Pace: 6:55 /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 mi10:28:2820:426:4020:42
6:40
#5145
10K
6.21 mi10:49:3041:446:4321:02
6:46
#5537
15K
9.32 mi11:10:241:02:386:4320:54
6:44
#5454
20K
12.43 mi11:31:071:23:216:4220:43
6:40
#5066
Half
13.11 mi11:35:341:27:486:424:27
6:31
#4979
25K
15.53 mi11:51:461:44:006:4216:12
6:41
#4748
30K
18.64 mi12:13:182:05:326:4421:32
6:56
#4604
20M
20.00 mi12:23:042:15:186:469:46
7:11
#4651
21M
21.00 mi12:30:302:22:446:487:26
7:26
#4592
35K
21.75 mi12:35:522:28:066:495:22
7:10
#4642
23M
23.00 mi12:45:072:37:216:509:15
7:23
#4723
24M
24.00 mi12:52:222:44:366:527:15
7:15
#4789
40K
24.85 mi12:58:462:51:006:536:24
7:29
#4876
25.2M
25.20 mi13:01:352:53:496:542:49
8:10
#4901
Finish
26.22 mi13:09:023:01:166:557:27
7:19
#4976
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi51453393395358(Top 19%)406(Top 3%)406(Top 7%)
10K6.21 mi3.10 mi5537-392409-70409-706076(Top 21%)514(Top 4%)514(Top 9%)
15K9.32 mi3.11 mi5454+83400+9400+95358(Top 19%)406(Top 3%)406(Top 7%)
20K12.43 mi3.11 mi5066+388345+55345+554182(Top 15%)252(Top 2%)252(Top 5%)
Half13.11 mi0.68 mi4979+87338+7338+73917(Top 14%)224(Top 2%)224(Top 4%)
25K15.53 mi2.42 mi4748+231318+20318+204020(Top 14%)263(Top 2%)263(Top 5%)
30K18.64 mi3.11 mi4604+144308+10308+104294(Top 15%)344(Top 3%)344(Top 6%)
20M20.00 mi1.36 mi4651-47328-20328-205151(Top 18%)543(Top 4%)543(Top 10%)
21M21.00 mi1.00 mi4592+59323+5323+54305(Top 15%)434(Top 4%)434(Top 8%)
35K21.75 mi0.75 mi4642-50339-16339-166460(Top 23%)1076(Top 9%)1076(Top 20%)
23M23.00 mi1.25 mi4723-81364-25364-256000(Top 21%)1010(Top 8%)1010(Top 18%)
24M24.00 mi1.00 mi4789-66382-18382-186133(Top 22%)1109(Top 9%)1109(Top 20%)
40K24.85 mi0.85 mi4876-87401-19401-196741(Top 24%)1428(Top 12%)1428(Top 26%)
25.2M25.20 mi0.35 mi4901-25415-14415-146887(Top 24%)1559(Top 13%)1559(Top 29%)
Finish26.22 mi1.02 mi4976-75437-22437-227858(Top 28%)1999(Top 16%)1999(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5358

Females

406

F18-39

406

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

6076

Females

514

F18-39

514

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5358

Females

406

F18-39

406

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4182

Females

252

F18-39

252

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3917

Females

224

F18-39

224

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

4020

Females

263

F18-39

263

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4294

Females

344

F18-39

344

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5151

Females

543

F18-39

543

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4305

Females

434

F18-39

434

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6460

Females

1076

F18-39

1076

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6000

Females

1010

F18-39

1010

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6133

Females

1109

F18-39

1109

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6741

Females

1428

F18-39

1428

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6887

Females

1559

F18-39

1559

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7858

Females

1999

F18-39

1999

Passing Analysis

Category:
Athletes Passed
1534
Passed By
1365
Net Change
+169
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5145
5K → 10K61453-392#5145#5537
10K → 15K16077+83#5537#5454
15K → 20K39810+388#5454#5066
20K → Half892+87#5066#4979
Half → 25K24312+231#4979#4748
25K → 30K22480+144#4748#4604
30K → 20M5299-47#4604#4651
20M → 21M10344+59#4651#4592
21M → 35K3282-50#4592#4642
35K → 23M63144-81#4642#4723
23M → 24M3399-66#4723#4789
24M → 40K38125-87#4789#4876
40K → 25.2M1742-25#4876#4901
25.2M → Finish2196-75#4901#4976
TOTALS15341365+169
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing