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BOSTON MARATHON 2025

Holly Flood

Bib: 16327•F

IA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Masters (Masters Women)
#0 / 6759
Top 15%
Division (F40-44)
#0 / 1718
Top 31%
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
7:32/mi
23:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:36/mi
47:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:10:43
↑ 67↓ 78
20K· 12.43 mi
7:42/mi
1:34:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:39:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
1:59:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:24:47
↑ 181↓ 1480.2%
20M
8:20/mi
2:36:07
↑ 64↓ 500.2%
21M
8:49/mi
2:44:56
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:51:01
↑ 17↓ 861.7%
23M
8:30/mi
3:01:39
↑ 23↓ 630.6%
24M
8:21/mi
3:10:00
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:17:13
↓ 200.3%
25.2M
9:14/mi
3:20:24
↑ 13↓ 160.2%
Finish· 26.22 mi
8:06/mi
3:28:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:53
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:48:46
Pace8:18 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:4523:257:3223:25
7:32
-
10K
6.21 mi11:20:2347:037:3423:38
7:36
+0:04
15K
9.32 mi11:44:031:10:437:3523:40
7:37
+0:01
20K
12.43 mi12:07:581:34:387:3723:55
7:42
+0:05
Half
13.11 mi12:13:131:39:537:375:15
7:42
0:00
25K
15.53 mi12:32:261:59:067:4019:13
7:56
+0:14
30K
18.64 mi12:58:072:24:477:4625:41
8:16
+0:20
20M
20.00 mi13:09:272:36:077:4811:20
8:20
+0:04
21M
21.00 mi13:18:162:44:567:518:49
8:49
+0:29
35K
21.75 mi13:24:212:51:017:526:05
8:08
-0:41
23M
23.00 mi13:34:593:01:397:5410:38
8:30
+0:22
24M
24.00 mi13:43:203:10:007:558:21
8:21
-0:09
40K
24.85 mi13:50:333:17:137:567:13
8:26
+0:05
25.2M
25.20 mi13:53:443:20:247:573:11
9:14
+0:48
Finish
26.22 mi14:01:593:28:397:588:15
8:06
-1:08

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

7:32 /mi

Average Pace

7:58 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:53

48% of race

Time at Steady Pace

1:18:55

38% of race

Time at Slower Pace

29:51

14% of race

Average Pace: 7:57 /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 mi10:56:4523:257:3223:25
7:32
#12591
10K
6.21 mi11:20:2347:037:3423:38
7:36
#12777
15K
9.32 mi11:44:031:10:437:3523:40
7:37
#12755
20K
12.43 mi12:07:581:34:387:3723:55
7:42
#12619
Half
13.11 mi12:13:131:39:537:375:15
7:42
#12662
25K
15.53 mi12:32:261:59:067:4019:13
7:56
#12735
30K
18.64 mi12:58:072:24:477:4625:41
8:16
#12801
20M
20.00 mi13:09:272:36:077:4811:20
8:20
#12783
21M
21.00 mi13:18:162:44:567:518:49
8:49
#12724
35K
21.75 mi13:24:212:51:017:526:05
8:08
#12748
23M
23.00 mi13:34:593:01:397:5410:38
8:30
#12745
24M
24.00 mi13:43:203:10:007:558:21
8:21
#12778
40K
24.85 mi13:50:333:17:137:567:13
8:26
#12778
25.2M
25.20 mi13:53:443:20:247:573:11
9:14
#12776
Finish
26.22 mi14:01:593:28:397:588:15
8:06
#12802
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi125913110311012762(Top 45%)3315(Top 27%)3315(Top 193%)
10K6.21 mi3.10 mi12777-1863217-1073217-10713105(Top 46%)3435(Top 28%)3435(Top 200%)
15K9.32 mi3.11 mi12755+223242-253242-2512762(Top 45%)3315(Top 27%)3315(Top 193%)
20K12.43 mi3.11 mi12619+1363216+263216+2612409(Top 44%)3230(Top 26%)3230(Top 188%)
Half13.11 mi0.68 mi12662-433251-353251-3513412(Top 47%)3723(Top 30%)3723(Top 217%)
25K15.53 mi2.42 mi12735-733328-773328-7713312(Top 47%)3834(Top 31%)3834(Top 223%)
30K18.64 mi3.11 mi12801-663422-943422-9413278(Top 47%)3988(Top 33%)3988(Top 232%)
20M20.00 mi1.36 mi12783+183460-383460-3812777(Top 45%)3843(Top 31%)3843(Top 224%)
21M21.00 mi1.00 mi12724+593459+13459+112426(Top 44%)3819(Top 31%)3819(Top 222%)
35K21.75 mi0.75 mi12748-243495-363495-3613159(Top 46%)4243(Top 35%)4243(Top 247%)
23M23.00 mi1.25 mi12745+33525-303525-3013278(Top 47%)4416(Top 36%)4416(Top 257%)
24M24.00 mi1.00 mi12778-333573-483573-4813576(Top 48%)4599(Top 38%)4599(Top 268%)
40K24.85 mi0.85 mi127783608-353608-3513058(Top 46%)4469(Top 37%)4469(Top 260%)
25.2M25.20 mi0.35 mi12776+23620-123620-1213131(Top 46%)4550(Top 37%)4550(Top 265%)
Finish26.22 mi1.02 mi12802-263654-343654-3413569(Top 48%)4727(Top 39%)4727(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12762

Females

3315

F40-44

3315

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

13105

Females

3435

F40-44

3435

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12762

Females

3315

F40-44

3315

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

12409

Females

3230

F40-44

3230

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13412

Females

3723

F40-44

3723

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13312

Females

3834

F40-44

3834

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13278

Females

3988

F40-44

3988

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12777

Females

3843

F40-44

3843

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12426

Females

3819

F40-44

3819

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13159

Females

4243

F40-44

4243

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13278

Females

4416

F40-44

4416

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13576

Females

4599

F40-44

4599

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13058

Females

4469

F40-44

4469

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13131

Females

4550

F40-44

4550

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13569

Females

4727

F40-44

4727

Passing Analysis

Category:
Athletes Passed
1707
Passed By
1918
Net Change
-211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12591
5K → 10K210396-186#12591#12777
10K → 15K203181+22#12777#12755
15K → 20K257121+136#12755#12619
20K → Half1659-43#12619#12662
Half → 25K139212-73#12662#12735
25K → 30K207273-66#12735#12801
30K → 20M127109+18#12801#12783
20M → 21M13879+59#12783#12724
21M → 35K5377-24#12724#12748
35K → 23M112109+3#12748#12745
23M → 24M69102-33#12745#12778
24M → 40K74740#12778#12778
40K → 25.2M3836+2#12778#12776
25.2M → Finish6490-26#12776#12802
TOTALS17071918-211
📊

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