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BOSTON MARATHON 2025

Morgan Shields

Bib: 28048•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
33:37
Rank: #27317
Start → 5K
33:37 | 10:49/mi
10K· 6.21 mi
1:12:58
Rank: #27985 (-668)
5K → 10K
39:21 | 12:40/mi
15K· 9.32 mi
1:49:47
Rank: #27865 (+120)
10K → 15K
36:49 | 11:51/mi
20K· 12.43 mi
2:26:28
Rank: #27662 (+203)
15K → 20K
36:41 | 11:48/mi
Half· 13.11 mi
2:34:31
Rank: #27638 (+24)
20K → Half
8:03 | 11:48/mi
25K· 15.53 mi
3:05:27
Rank: #27540 (+98)
Half → 25K
30:56 | 12:45/mi
30K· 18.64 mi
3:44:34
Rank: #27332 (+208)
25K → 30K
39:07 | 12:35/mi
20M
4:06:05
Rank: #27456 (-124)
30K → 20M
21:31 | 15:50/mi
21M
4:20:41
Rank: #27438 (+18)
20M → 21M
14:36 | 14:36/mi
35K· 21.75 mi
4:30:27
Rank: #27442 (-4)
21M → 35K
9:46 | 13:03/mi
23M
4:47:05
Rank: #27415 (+27)
35K → 23M
16:38 | 13:17/mi
24M
4:59:51
Rank: #27401 (+14)
23M → 24M
12:46 | 12:46/mi
40K· 24.85 mi
5:14:07
Rank: #27485 (-84)
24M → 40K
14:16 | 16:41/mi
25.2M
5:18:38
Rank: #27464 (+21)
40K → 25.2M
4:31 | 13:06/mi
Finish· 26.22 mi
5:30:08
Rank: #27433 (+31)
25.2M → Finish
11:30 | 11:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:34:31
Pace11:47 /mi
2nd Half
Distance13.11 mi
Time2:55:37
Pace13:24 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1033:3710:4933:37
10:49
-
10K
6.21 mi12:32:311:12:5811:4539:21
12:40
+1:51
15K
9.32 mi13:09:201:49:4711:4736:49
11:51
-0:49
20K
12.43 mi13:46:012:26:2811:4736:41
11:48
-0:03
Half
13.11 mi13:54:042:34:3111:478:03
11:48
0:00
25K
15.53 mi14:25:003:05:2711:5630:56
12:45
+0:57
30K
18.64 mi15:04:073:44:3412:0339:07
12:35
-0:10
20M
20.00 mi15:25:384:06:0512:1821:31
15:50
+3:15
21M
21.00 mi15:40:144:20:4112:2514:36
14:36
-1:14
35K
21.75 mi15:50:004:30:2712:269:46
13:03
-1:33
23M
23.00 mi16:06:384:47:0512:2916:38
13:17
+0:14
24M
24.00 mi16:19:244:59:5112:3012:46
12:46
-0:31
40K
24.85 mi16:33:405:14:0712:3814:16
16:41
+3:55
25.2M
25.20 mi16:38:115:18:3812:394:31
13:06
-3:35
Finish
26.22 mi16:49:415:30:0812:3611:30
11:17
-1:49

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

10:49 /mi

Average Pace

12:36 /mi

Slowest Pace

16:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:40

38% of race

Time at Steady Pace

2:33:05

46% of race

Time at Slower Pace

50:23

15% of race

Average Pace: 12:35 /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 mi11:53:1033:3710:4933:37
10:49
#27317
10K
6.21 mi12:32:311:12:5811:4539:21
12:40
#27985
15K
9.32 mi13:09:201:49:4711:4736:49
11:51
#27865
20K
12.43 mi13:46:012:26:2811:4736:41
11:48
#27662
Half
13.11 mi13:54:042:34:3111:478:03
11:48
#27638
25K
15.53 mi14:25:003:05:2711:5630:56
12:45
#27540
30K
18.64 mi15:04:073:44:3412:0339:07
12:35
#27332
20M
20.00 mi15:25:384:06:0512:1821:31
15:50
#27456
21M
21.00 mi15:40:144:20:4112:2514:36
14:36
#27438
35K
21.75 mi15:50:004:30:2712:269:46
13:03
#27442
23M
23.00 mi16:06:384:47:0512:2916:38
13:17
#27415
24M
24.00 mi16:19:244:59:5112:3012:46
12:46
#27401
40K
24.85 mi16:33:405:14:0712:3814:16
16:41
#27485
25.2M
25.20 mi16:38:115:18:3812:394:31
13:06
#27464
Finish
26.22 mi16:49:415:30:0812:3611:30
11:17
#27433
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27317115141151427526(Top 97%)11702(Top 96%)11702(Top 214%)
10K6.21 mi3.10 mi27985-66811952-43811952-43828249(Top 99%)12135(Top 99%)12135(Top 222%)
15K9.32 mi3.11 mi27865+12011882+7011882+7027526(Top 97%)11702(Top 96%)11702(Top 214%)
20K12.43 mi3.11 mi27662+20311771+11111771+11126939(Top 95%)11356(Top 93%)11356(Top 208%)
Half13.11 mi0.68 mi27638+2411759+1211759+1227292(Top 96%)11588(Top 95%)11588(Top 212%)
25K15.53 mi2.42 mi27540+9811702+5711702+5727125(Top 95%)11502(Top 94%)11502(Top 210%)
30K18.64 mi3.11 mi27332+20811605+9711605+9726260(Top 92%)11104(Top 91%)11104(Top 203%)
20M20.00 mi1.36 mi27456-12411682-7711682-7728131(Top 99%)12121(Top 99%)12121(Top 222%)
21M21.00 mi1.00 mi27438+1811670+1211670+1226803(Top 94%)11470(Top 94%)11470(Top 210%)
35K21.75 mi0.75 mi27442-411677-711677-727005(Top 95%)11593(Top 95%)11593(Top 212%)
23M23.00 mi1.25 mi27415+2711668+911668+926701(Top 94%)11456(Top 94%)11456(Top 209%)
24M24.00 mi1.00 mi27401+1411665+311665+326601(Top 94%)11421(Top 93%)11421(Top 209%)
40K24.85 mi0.85 mi27485-8411716-5111716-5128213(Top 99%)12172(Top 100%)12172(Top 223%)
25.2M25.20 mi0.35 mi27464+2111703+1311703+1325157(Top 89%)10779(Top 88%)10779(Top 197%)
Finish26.22 mi1.02 mi27433+3111692+1111692+1125839(Top 91%)11074(Top 91%)11074(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

27526

Females

11702

F18-39

11702

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

28249

Females

12135

F18-39

12135

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

27526

Females

11702

F18-39

11702

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

26939

Females

11356

F18-39

11356

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

27292

Females

11588

F18-39

11588

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

27125

Females

11502

F18-39

11502

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

26260

Females

11104

F18-39

11104

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28131

Females

12121

F18-39

12121

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

26803

Females

11470

F18-39

11470

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

27005

Females

11593

F18-39

11593

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

26701

Females

11456

F18-39

11456

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

26601

Females

11421

F18-39

11421

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28213

Females

12172

F18-39

12172

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25157

Females

10779

F18-39

10779

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

25839

Females

11074

F18-39

11074

Passing Analysis

Category:
Athletes Passed
874
Passed By
990
Net Change
-116
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27317
5K → 10K6674-668#27317#27985
10K → 15K13414+120#27985#27865
15K → 20K2074+203#27865#27662
20K → Half328+24#27662#27638
Half → 25K11618+98#27638#27540
25K → 30K2157+208#27540#27332
30K → 20M6130-124#27332#27456
20M → 21M2810+18#27456#27438
21M → 35K913-4#27438#27442
35K → 23M3710+27#27442#27415
23M → 24M2713+14#27415#27401
24M → 40K185-84#27401#27485
40K → 25.2M210+21#27485#27464
25.2M → Finish354+31#27464#27433
TOTALS874990-116
📊

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