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BOSTON MARATHON 2025

Rebecca Meltzer

Bib: 17116•F

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Masters (Masters Women)
#0 / 6759
Top 11%
Division (F40-44)
#0 / 1718
Top 24%
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
7:34/mi
23:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:42/mi
1:10:56
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:35:03
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:40:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
1:59:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:24:30
↑ 181↓ 1480.2%
20M
8:08/mi
2:35:33
↑ 64↓ 500.2%
21M
8:28/mi
2:44:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:49:48
↑ 17↓ 861.7%
23M
7:54/mi
2:59:42
↑ 23↓ 630.6%
24M
7:47/mi
3:07:29
↓ 821.3%
40K· 24.85 mi
7:47/mi
3:14:08
↓ 200.3%
25.2M
8:25/mi
3:17:02
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:24:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:16
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:44:32
Pace7:58 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0323:307:3423:30
7:34
-
10K
6.21 mi11:37:3547:027:3423:32
7:34
0:00
15K
9.32 mi12:01:291:10:567:3723:54
7:42
+0:08
20K
12.43 mi12:25:361:35:037:3924:07
7:46
+0:04
Half
13.11 mi12:30:491:40:167:395:13
7:39
-0:07
25K
15.53 mi12:49:461:59:137:4018:57
7:49
+0:10
30K
18.64 mi13:15:032:24:307:4525:17
8:08
+0:19
20M
20.00 mi13:26:062:35:337:4711:03
8:08
0:00
21M
21.00 mi13:34:342:44:017:498:28
8:28
+0:20
35K
21.75 mi13:40:212:49:487:485:47
7:44
-0:44
23M
23.00 mi13:50:152:59:427:499:54
7:54
+0:10
24M
24.00 mi13:58:023:07:297:497:47
7:47
-0:07
40K
24.85 mi14:04:413:14:087:496:39
7:47
0:00
25.2M
25.20 mi14:07:353:17:027:492:54
8:25
+0:38
Finish
26.22 mi14:15:213:24:487:497:46
7:37
-0:48

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

7:34 /mi

Average Pace

7:49 /mi

Slowest Pace

8:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:26

94% of race

Time at Steady Pace

11:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi11:14:0323:307:3423:30
7:34
#12806
10K
6.21 mi11:37:3547:027:3423:32
7:34
#12748
15K
9.32 mi12:01:291:10:567:3723:54
7:42
#12954
20K
12.43 mi12:25:361:35:037:3924:07
7:46
#12912
Half
13.11 mi12:30:491:40:167:395:13
7:39
#12896
25K
15.53 mi12:49:461:59:137:4018:57
7:49
#12791
30K
18.64 mi13:15:032:24:307:4525:17
8:08
#12670
20M
20.00 mi13:26:062:35:337:4711:03
8:08
#12540
21M
21.00 mi13:34:342:44:017:498:28
8:28
#12387
35K
21.75 mi13:40:212:49:487:485:47
7:44
#12281
23M
23.00 mi13:50:152:59:427:499:54
7:54
#12064
24M
24.00 mi13:58:023:07:297:497:47
7:47
#11941
40K
24.85 mi14:04:413:14:087:496:39
7:47
#11779
25.2M
25.20 mi14:07:353:17:027:492:54
8:25
#11708
Finish
26.22 mi14:15:213:24:487:497:46
7:37
#11618
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi128063211321113434(Top 47%)3696(Top 30%)3696(Top 215%)
10K6.21 mi3.10 mi12748+583203+83203+812803(Top 45%)3252(Top 27%)3252(Top 189%)
15K9.32 mi3.11 mi12954-2063360-1573360-15713434(Top 47%)3696(Top 30%)3696(Top 215%)
20K12.43 mi3.11 mi12912+423395-353395-3512970(Top 46%)3529(Top 29%)3529(Top 205%)
Half13.11 mi0.68 mi12896+163390+53390+512998(Top 46%)3484(Top 28%)3484(Top 203%)
25K15.53 mi2.42 mi12791+1053355+353355+3512493(Top 44%)3388(Top 28%)3388(Top 197%)
30K18.64 mi3.11 mi12670+1213363-83363-812361(Top 44%)3481(Top 28%)3481(Top 203%)
20M20.00 mi1.36 mi12540+1303329+343329+3411360(Top 40%)3114(Top 25%)3114(Top 181%)
21M21.00 mi1.00 mi12387+1533281+483281+4810277(Top 36%)2752(Top 23%)2752(Top 160%)
35K21.75 mi0.75 mi12281+1063250+313250+3110356(Top 36%)2781(Top 23%)2781(Top 162%)
23M23.00 mi1.25 mi12064+2173166+843166+849382(Top 33%)2449(Top 20%)2449(Top 143%)
24M24.00 mi1.00 mi11941+1233141+253141+259723(Top 34%)2677(Top 22%)2677(Top 156%)
40K24.85 mi0.85 mi11779+1623090+513090+518652(Top 30%)2304(Top 19%)2304(Top 134%)
25.2M25.20 mi0.35 mi11708+713068+223068+228368(Top 29%)2248(Top 18%)2248(Top 131%)
Finish26.22 mi1.02 mi11618+903065+33065+310134(Top 36%)3054(Top 25%)3054(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

13434

Females

3696

F40-44

3696

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12803

Females

3252

F40-44

3252

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

13434

Females

3696

F40-44

3696

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12970

Females

3529

F40-44

3529

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12998

Females

3484

F40-44

3484

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12493

Females

3388

F40-44

3388

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12361

Females

3481

F40-44

3481

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11360

Females

3114

F40-44

3114

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10277

Females

2752

F40-44

2752

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10356

Females

2781

F40-44

2781

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9382

Females

2449

F40-44

2449

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9723

Females

2677

F40-44

2677

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8652

Females

2304

F40-44

2304

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8368

Females

2248

F40-44

2248

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10134

Females

3054

F40-44

3054

Passing Analysis

Category:
Athletes Passed
2425
Passed By
1237
Net Change
+1188
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12806
5K → 10K311253+58#12806#12748
10K → 15K132338-206#12748#12954
15K → 20K224182+42#12954#12912
20K → Half3923+16#12912#12896
Half → 25K19893+105#12896#12791
25K → 30K288167+121#12791#12670
30K → 20M16535+130#12670#12540
20M → 21M19037+153#12540#12387
21M → 35K11812+106#12387#12281
35K → 23M23215+217#12281#12064
23M → 24M14017+123#12064#11941
24M → 40K1719+162#11941#11779
40K → 25.2M798+71#11779#11708
25.2M → Finish13848+90#11708#11618
TOTALS24251237+1188
📊

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