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BOSTON MARATHON 2025

Monica Stratton

Bib: 21783•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
Masters (Masters Women)
#0 / 6759
Top 36%
Division (F45-49)
#0 / 1813
Top 45%
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
7:59/mi
24:48
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:14:21
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:39:53
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:45:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:05:50
↑ 66↓ 880.2%
30K· 18.64 mi
9:00/mi
2:33:47
↑ 181↓ 1480.2%
20M
9:11/mi
2:46:16
↑ 64↓ 500.2%
21M
9:52/mi
2:56:08
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
3:02:42
↑ 17↓ 861.7%
23M
9:03/mi
3:14:02
↑ 23↓ 630.6%
24M
8:52/mi
3:22:54
↓ 821.3%
40K· 24.85 mi
9:06/mi
3:30:41
↓ 200.3%
25.2M
10:15/mi
3:34:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:56/mi
3:43:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:31
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:57:48
Pace8:59 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5124:487:5924:48
7:59
-
10K
6.21 mi11:45:2749:247:5724:36
7:55
-0:04
15K
9.32 mi12:10:241:14:217:5924:57
8:02
+0:07
20K
12.43 mi12:35:561:39:538:0225:32
8:13
+0:11
Half
13.11 mi12:41:341:45:318:035:38
8:15
+0:02
25K
15.53 mi13:01:532:05:508:0620:19
8:23
+0:08
30K
18.64 mi13:29:502:33:478:1527:57
9:00
+0:37
20M
20.00 mi13:42:192:46:168:1912:29
9:11
+0:11
21M
21.00 mi13:52:112:56:088:239:52
9:52
+0:41
35K
21.75 mi13:58:453:02:428:246:34
8:47
-1:05
23M
23.00 mi14:10:053:14:028:2611:20
9:03
+0:16
24M
24.00 mi14:18:573:22:548:278:52
8:52
-0:11
40K
24.85 mi14:26:443:30:418:297:47
9:06
+0:14
25.2M
25.20 mi14:30:163:34:138:303:32
10:15
+1:09
Finish
26.22 mi14:39:223:43:198:319:06
8:56
-1:19

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

7:55 /mi

Average Pace

8:31 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:50

56% of race

Time at Steady Pace

1:24:05

38% of race

Time at Slower Pace

13:24

6% of race

Average Pace: 8:31 /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 mi11:20:5124:487:5924:48
7:59
#16463
10K
6.21 mi11:45:2749:247:5724:36
7:55
#16112
15K
9.32 mi12:10:241:14:217:5924:57
8:02
#16148
20K
12.43 mi12:35:561:39:538:0225:32
8:13
#16232
Half
13.11 mi12:41:341:45:318:035:38
8:15
#16299
25K
15.53 mi13:01:532:05:508:0620:19
8:23
#16328
30K
18.64 mi13:29:502:33:478:1527:57
9:00
#16536
20M
20.00 mi13:42:192:46:168:1912:29
9:11
#16591
21M
21.00 mi13:52:112:56:088:239:52
9:52
#16627
35K
21.75 mi13:58:453:02:428:246:34
8:47
#16624
23M
23.00 mi14:10:053:14:028:2611:20
9:03
#16584
24M
24.00 mi14:18:573:22:548:278:52
8:52
#16586
40K
24.85 mi14:26:443:30:418:297:47
9:06
#16587
25.2M
25.20 mi14:30:163:34:138:303:32
10:15
#16630
Finish
26.22 mi14:39:223:43:198:319:06
8:56
#16704
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi164635427542716296(Top 57%)5316(Top 43%)5316(Top 293%)
10K6.21 mi3.10 mi16112+3515212+2155212+21515821(Top 56%)5026(Top 41%)5026(Top 277%)
15K9.32 mi3.11 mi16148-365227-155227-1516296(Top 57%)5316(Top 43%)5316(Top 293%)
20K12.43 mi3.11 mi16232-845292-655292-6516441(Top 58%)5461(Top 45%)5461(Top 301%)
Half13.11 mi0.68 mi16299-675330-385330-3817686(Top 62%)6140(Top 50%)6140(Top 339%)
25K15.53 mi2.42 mi16328-295358-285358-2816456(Top 58%)5567(Top 46%)5567(Top 307%)
30K18.64 mi3.11 mi16536-2085546-1885546-18817677(Top 62%)6402(Top 52%)6402(Top 353%)
20M20.00 mi1.36 mi16591-555605-595605-5917732(Top 62%)6544(Top 54%)6544(Top 361%)
21M21.00 mi1.00 mi16627-365655-505655-5017780(Top 63%)6677(Top 55%)6677(Top 368%)
35K21.75 mi0.75 mi16624+35677-225677-2217150(Top 60%)6429(Top 53%)6429(Top 355%)
23M23.00 mi1.25 mi16584+405687-105687-1016563(Top 58%)6204(Top 51%)6204(Top 342%)
24M24.00 mi1.00 mi16586-25709-225709-2216681(Top 59%)6306(Top 52%)6306(Top 348%)
40K24.85 mi0.85 mi16587-15742-335742-3316896(Top 59%)6527(Top 53%)6527(Top 360%)
25.2M25.20 mi0.35 mi16630-435781-395781-3918108(Top 64%)7183(Top 59%)7183(Top 396%)
Finish26.22 mi1.02 mi16704-745851-705851-7018681(Top 66%)7416(Top 61%)7416(Top 409%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16296

Females

5316

F45-49

5316

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15821

Females

5026

F45-49

5026

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16296

Females

5316

F45-49

5316

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16441

Females

5461

F45-49

5461

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17686

Females

6140

F45-49

6140

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16456

Females

5567

F45-49

5567

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17677

Females

6402

F45-49

6402

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17732

Females

6544

F45-49

6544

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

17780

Females

6677

F45-49

6677

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17150

Females

6429

F45-49

6429

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16563

Females

6204

F45-49

6204

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16681

Females

6306

F45-49

6306

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16896

Females

6527

F45-49

6527

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18108

Females

7183

F45-49

7183

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18681

Females

7416

F45-49

7416

Passing Analysis

Category:
Athletes Passed
1806
Passed By
2047
Net Change
-241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16463
5K → 10K493142+351#16463#16112
10K → 15K192228-36#16112#16148
15K → 20K184268-84#16148#16232
20K → Half1683-67#16232#16299
Half → 25K151180-29#16299#16328
25K → 30K165373-208#16328#16536
30K → 20M92147-55#16536#16591
20M → 21M98134-36#16591#16627
21M → 35K6562+3#16627#16624
35K → 23M13090+40#16624#16584
23M → 24M7375-2#16584#16586
24M → 40K7879-1#16586#16587
40K → 25.2M2366-43#16587#16630
25.2M → Finish46120-74#16630#16704
TOTALS18062047-241
📊

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