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BOSTON MARATHON 2025

Molly Riordan

Bib: 30953•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

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
9:38/mi
29:57
↑ 97↓ 3451.5%
10K· 6.21 mi
9:12/mi
58:31
↑ 79↓ 1380.4%
15K· 9.32 mi
9:09/mi
1:26:57
↑ 67↓ 78
20K· 12.43 mi
9:24/mi
1:56:08
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
2:02:26
↑ 19↓ 370.5%
25K· 15.53 mi
9:48/mi
2:26:12
↑ 66↓ 880.2%
30K· 18.64 mi
10:00/mi
2:57:15
↑ 181↓ 1480.2%
20M
10:16/mi
3:11:12
↑ 64↓ 500.2%
21M
11:25/mi
3:22:37
↑ 106↓ 241.6%
35K· 21.75 mi
9:43/mi
3:29:53
↑ 17↓ 861.7%
23M
10:34/mi
3:43:07
↑ 23↓ 630.6%
24M
10:09/mi
3:53:16
↓ 821.3%
40K· 24.85 mi
10:00/mi
4:01:49
↓ 200.3%
25.2M
11:16/mi
4:05:42
↑ 13↓ 160.2%
Finish· 26.22 mi
9:25/mi
4:15:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:26
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:12:52
Pace10:08 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4429:579:3829:57
9:38
-
10K
6.21 mi12:20:1858:319:2528:34
9:12
-0:26
15K
9.32 mi12:48:441:26:579:2028:26
9:09
-0:03
20K
12.43 mi13:17:551:56:089:2129:11
9:24
+0:15
Half
13.11 mi13:24:132:02:269:206:18
9:14
-0:10
25K
15.53 mi13:47:592:26:129:2523:46
9:48
+0:34
30K
18.64 mi14:19:022:57:159:3131:03
10:00
+0:12
20M
20.00 mi14:32:593:11:129:3413:57
10:16
+0:16
21M
21.00 mi14:44:243:22:379:3911:25
11:25
+1:09
35K
21.75 mi14:51:403:29:539:397:16
9:43
-1:42
23M
23.00 mi15:04:543:43:079:4213:14
10:34
+0:51
24M
24.00 mi15:15:033:53:169:4310:09
10:09
-0:25
40K
24.85 mi15:23:364:01:499:448:33
10:00
-0:09
25.2M
25.20 mi15:27:294:05:429:453:53
11:16
+1:16
Finish
26.22 mi15:37:054:15:189:459:36
9:25
-1:51

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

9:09 /mi

Average Pace

9:45 /mi

Slowest Pace

11:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:05

40% of race

Time at Steady Pace

1:40:35

39% of race

Time at Slower Pace

52:38

21% of race

Average Pace: 9:44 /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 mi11:51:4429:579:3829:57
9:38
#24660
10K
6.21 mi12:20:1858:319:2528:34
9:12
#23944
15K
9.32 mi12:48:441:26:579:2028:26
9:09
#23543
20K
12.43 mi13:17:551:56:089:2129:11
9:24
#23271
Half
13.11 mi13:24:132:02:269:206:18
9:14
#23247
25K
15.53 mi13:47:592:26:129:2523:46
9:48
#23158
30K
18.64 mi14:19:022:57:159:3131:03
10:00
#22828
20M
20.00 mi14:32:593:11:129:3413:57
10:16
#22753
21M
21.00 mi14:44:243:22:379:3911:25
11:25
#22719
35K
21.75 mi14:51:403:29:539:397:16
9:43
#22637
23M
23.00 mi15:04:543:43:079:4213:14
10:34
#22598
24M
24.00 mi15:15:033:53:169:4310:09
10:09
#22542
40K
24.85 mi15:23:364:01:499:448:33
10:00
#22463
25.2M
25.20 mi15:27:294:05:429:453:53
11:16
#22449
Finish
26.22 mi15:37:054:15:189:459:36
9:25
#22390
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24660100401004022674(Top 80%)8933(Top 73%)8933(Top 163%)
10K6.21 mi3.10 mi23944+7169654+3869654+38623185(Top 82%)9229(Top 75%)9229(Top 169%)
15K9.32 mi3.11 mi23543+4019434+2209434+22022674(Top 80%)8933(Top 73%)8933(Top 163%)
20K12.43 mi3.11 mi23271+2729270+1649270+16422567(Top 79%)8900(Top 73%)8900(Top 163%)
Half13.11 mi0.68 mi23247+249258+129258+1222764(Top 80%)9018(Top 74%)9018(Top 165%)
25K15.53 mi2.42 mi23158+899224+349224+3422774(Top 80%)9071(Top 74%)9071(Top 166%)
30K18.64 mi3.11 mi22828+3309084+1409084+14021591(Top 76%)8553(Top 70%)8553(Top 156%)
20M20.00 mi1.36 mi22753+759073+119073+1121775(Top 77%)8779(Top 72%)8779(Top 161%)
21M21.00 mi1.00 mi22719+349071+29071+222443(Top 79%)9214(Top 75%)9214(Top 168%)
35K21.75 mi0.75 mi22637+829039+329039+3221071(Top 74%)8546(Top 70%)8546(Top 156%)
23M23.00 mi1.25 mi22598+399041-29041-222188(Top 78%)9163(Top 75%)9163(Top 168%)
24M24.00 mi1.00 mi22542+569039+29039+221809(Top 77%)9041(Top 74%)9041(Top 165%)
40K24.85 mi0.85 mi22463+799011+289011+2820479(Top 72%)8399(Top 69%)8399(Top 154%)
25.2M25.20 mi0.35 mi22449+149012-19012-121456(Top 76%)8889(Top 73%)8889(Top 163%)
Finish26.22 mi1.02 mi22390+598995+178995+1720915(Top 74%)8618(Top 70%)8618(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22674

Females

8933

F18-39

8933

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23185

Females

9229

F18-39

9229

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22674

Females

8933

F18-39

8933

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22567

Females

8900

F18-39

8900

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22764

Females

9018

F18-39

9018

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

22774

Females

9071

F18-39

9071

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

21591

Females

8553

F18-39

8553

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

21775

Females

8779

F18-39

8779

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22443

Females

9214

F18-39

9214

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

21071

Females

8546

F18-39

8546

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22188

Females

9163

F18-39

9163

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21809

Females

9041

F18-39

9041

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20479

Females

8399

F18-39

8399

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21456

Females

8889

F18-39

8889

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

20915

Females

8618

F18-39

8618

Passing Analysis

Category:
Athletes Passed
2682
Passed By
412
Net Change
+2270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24660
5K → 10K73721+716#24660#23944
10K → 15K42019+401#23944#23543
15K → 20K30634+272#23543#23271
20K → Half4420+24#23271#23247
Half → 25K16677+89#23247#23158
25K → 30K36030+330#23158#22828
30K → 20M11641+75#22828#22753
20M → 21M8652+34#22753#22719
21M → 35K9210+82#22719#22637
35K → 23M9152+39#22637#22598
23M → 24M7519+56#22598#22542
24M → 40K9213+79#22542#22463
40K → 25.2M239+14#22463#22449
25.2M → Finish7415+59#22449#22390
TOTALS2682412+2270
📊

Passing Visuals

Category:
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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