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BOSTON MARATHON 2025

Melissa Reifsnyder

Bib: 18468•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Masters (Masters Women)
#0 / 6759
Top 16%
Division (F50-54)
#0 / 1303
Top 10%
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
7:55/mi
24:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
49:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:13:32
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:38:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:43:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:54/mi
2:02:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:27:49
↑ 181↓ 1480.2%
20M
8:06/mi
2:38:50
↑ 64↓ 500.2%
21M
8:35/mi
2:47:25
↑ 106↓ 241.6%
35K· 21.75 mi
7:51/mi
2:53:17
↑ 17↓ 861.7%
23M
8:06/mi
3:03:26
↑ 23↓ 630.6%
24M
8:00/mi
3:11:26
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:18:24
↓ 200.3%
25.2M
8:54/mi
3:21:28
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:29:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:23
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:46:11
Pace8:06 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5624:377:5524:37
7:55
-
10K
6.21 mi11:40:2049:017:5324:24
7:51
-0:04
15K
9.32 mi12:04:511:13:327:5324:31
7:53
+0:02
20K
12.43 mi12:29:191:38:007:5324:28
7:53
0:00
Half
13.11 mi12:34:421:43:237:535:23
7:53
0:00
25K
15.53 mi12:53:522:02:337:5319:10
7:54
+0:01
30K
18.64 mi13:19:082:27:497:5625:16
8:08
+0:14
20M
20.00 mi13:30:092:38:507:5611:01
8:06
-0:02
21M
21.00 mi13:38:442:47:257:588:35
8:35
+0:29
35K
21.75 mi13:44:362:53:177:585:52
7:51
-0:44
23M
23.00 mi13:54:453:03:267:5910:09
8:06
+0:15
24M
24.00 mi14:02:453:11:267:598:00
8:00
-0:06
40K
24.85 mi14:09:433:18:247:596:58
8:09
+0:09
25.2M
25.20 mi14:12:473:21:288:003:04
8:54
+0:45
Finish
26.22 mi14:20:533:29:348:008:06
7:57
-0:57

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

7:51 /mi

Average Pace

8:00 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:30

99% of race

Time at Steady Pace

3:04

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /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 mi11:15:5624:377:5524:37
7:55
#15941
10K
6.21 mi11:40:2049:017:5324:24
7:51
#15569
15K
9.32 mi12:04:511:13:327:5324:31
7:53
#15411
20K
12.43 mi12:29:191:38:007:5324:28
7:53
#14961
Half
13.11 mi12:34:421:43:237:535:23
7:53
#14977
25K
15.53 mi12:53:522:02:337:5319:10
7:54
#14630
30K
18.64 mi13:19:082:27:497:5625:16
8:08
#14120
20M
20.00 mi13:30:092:38:507:5611:01
8:06
#13841
21M
21.00 mi13:38:442:47:257:588:35
8:35
#13634
35K
21.75 mi13:44:362:53:177:585:52
7:51
#13537
23M
23.00 mi13:54:453:03:267:5910:09
8:06
#13333
24M
24.00 mi14:02:453:11:267:598:00
8:00
#13218
40K
24.85 mi14:09:433:18:247:596:58
8:09
#13130
25.2M
25.20 mi14:12:473:21:288:003:04
8:54
#13097
Finish
26.22 mi14:20:533:29:348:008:06
7:57
#13103
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi159415107510715174(Top 53%)4670(Top 38%)4670(Top 358%)
10K6.21 mi3.10 mi15569+3724879+2284879+22815296(Top 54%)4716(Top 39%)4716(Top 362%)
15K9.32 mi3.11 mi15411+1584791+884791+8815174(Top 53%)4670(Top 38%)4670(Top 358%)
20K12.43 mi3.11 mi14961+4504562+2294562+22913891(Top 49%)4028(Top 33%)4028(Top 309%)
Half13.11 mi0.68 mi14977-164579-174579-1715021(Top 53%)4604(Top 38%)4604(Top 353%)
25K15.53 mi2.42 mi14630+3474411+1684411+16813145(Top 46%)3747(Top 31%)3747(Top 288%)
30K18.64 mi3.11 mi14120+5104175+2364175+23612334(Top 43%)3472(Top 28%)3472(Top 266%)
20M20.00 mi1.36 mi13841+2794050+1254050+12511195(Top 39%)3043(Top 25%)3043(Top 234%)
21M21.00 mi1.00 mi13634+2073970+803970+8011027(Top 39%)3122(Top 26%)3122(Top 240%)
35K21.75 mi0.75 mi13537+973932+383932+3811190(Top 39%)3216(Top 26%)3216(Top 247%)
23M23.00 mi1.25 mi13333+2043858+743858+7410818(Top 38%)3141(Top 26%)3141(Top 241%)
24M24.00 mi1.00 mi13218+1153823+353823+3511275(Top 40%)3455(Top 28%)3455(Top 265%)
40K24.85 mi0.85 mi13130+883802+213802+2111257(Top 40%)3541(Top 29%)3541(Top 272%)
25.2M25.20 mi0.35 mi13097+333795+73795+711260(Top 40%)3634(Top 30%)3634(Top 279%)
Finish26.22 mi1.02 mi13103-63822-273822-2712563(Top 44%)4220(Top 35%)4220(Top 324%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

15174

Females

4670

F50-54

4670

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15296

Females

4716

F50-54

4716

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

15174

Females

4670

F50-54

4670

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13891

Females

4028

F50-54

4028

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

15021

Females

4604

F50-54

4604

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

13145

Females

3747

F50-54

3747

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12334

Females

3472

F50-54

3472

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

11195

Females

3043

F50-54

3043

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11027

Females

3122

F50-54

3122

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

11190

Females

3216

F50-54

3216

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10818

Females

3141

F50-54

3141

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11275

Females

3455

F50-54

3455

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11257

Females

3541

F50-54

3541

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11260

Females

3634

F50-54

3634

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12563

Females

4220

F50-54

4220

Passing Analysis

Category:
Athletes Passed
3431
Passed By
593
Net Change
+2838
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15941
5K → 10K534162+372#15941#15569
10K → 15K277119+158#15569#15411
15K → 20K47323+450#15411#14961
20K → Half3450-16#14961#14977
Half → 25K36821+347#14977#14630
25K → 30K54737+510#14630#14120
30K → 20M2856+279#14120#13841
20M → 21M22720+207#13841#13634
21M → 35K1047+97#13634#13537
35K → 23M22218+204#13537#13333
23M → 24M13722+115#13333#13218
24M → 40K11931+88#13218#13130
40K → 25.2M4512+33#13130#13097
25.2M → Finish5965-6#13097#13103
TOTALS3431593+2838
📊

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