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BOSTON MARATHON 2025

Melanie Sachs

Bib: 26592•F

CT

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
10:57/mi
34:00
↑ 97↓ 3451.5%
10K· 6.21 mi
11:24/mi
1:09:26
↑ 79↓ 1380.4%
15K· 9.32 mi
11:49/mi
1:46:09
↑ 67↓ 78
20K· 12.43 mi
12:55/mi
2:26:16
↑ 106↓ 860.1%
Half· 13.11 mi
12:14/mi
2:34:37
↑ 19↓ 370.5%
25K· 15.53 mi
13:41/mi
3:07:47
↑ 66↓ 880.2%
30K· 18.64 mi
13:23/mi
3:49:21
↑ 181↓ 1480.2%
20M
13:19/mi
4:07:27
↑ 64↓ 500.2%
21M
15:10/mi
4:22:37
↑ 106↓ 241.6%
35K· 21.75 mi
13:49/mi
4:32:57
↑ 17↓ 861.7%
23M
12:58/mi
4:49:11
↑ 23↓ 630.6%
24M
12:20/mi
5:01:31
↓ 821.3%
40K· 24.85 mi
13:12/mi
5:12:48
↓ 200.3%
25.2M
14:27/mi
5:17:47
↑ 13↓ 160.2%
Finish· 26.22 mi
11:10/mi
5:29:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:34:37
Pace11:48 /mi
2nd Half
Distance13.11 mi
Time2:54:33
Pace13:19 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2834:0010:5734:00
10:57
-
10K
6.21 mi12:25:541:09:2611:1035:26
11:24
+0:27
15K
9.32 mi13:02:371:46:0911:2336:43
11:49
+0:25
20K
12.43 mi13:42:442:26:1611:4640:07
12:55
+1:06
Half
13.11 mi13:51:052:34:3711:488:21
12:14
-0:41
25K
15.53 mi14:24:153:07:4712:0533:10
13:41
+1:27
30K
18.64 mi15:05:493:49:2112:1841:34
13:23
-0:18
20M
20.00 mi15:23:554:07:2712:2218:06
13:19
-0:04
21M
21.00 mi15:39:054:22:3712:3015:10
15:10
+1:51
35K
21.75 mi15:49:254:32:5712:3310:20
13:49
-1:21
23M
23.00 mi16:05:394:49:1112:3416:14
12:58
-0:51
24M
24.00 mi16:17:595:01:3112:3412:20
12:20
-0:38
40K
24.85 mi16:29:165:12:4812:3511:17
13:12
+0:52
25.2M
25.20 mi16:34:155:17:4712:374:59
14:27
+1:15
Finish
26.22 mi16:45:385:29:1012:3411:23
11:10
-3:17

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

10:57 /mi

Average Pace

12:34 /mi

Slowest Pace

15:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:13

42% of race

Time at Steady Pace

2:07:18

39% of race

Time at Slower Pace

1:03:39

19% of race

Average Pace: 12:33 /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 mi11:50:2834:0010:5734:00
10:57
#27501
10K
6.21 mi12:25:541:09:2611:1035:26
11:24
#27508
15K
9.32 mi13:02:371:46:0911:2336:43
11:49
#27524
20K
12.43 mi13:42:442:26:1611:4640:07
12:55
#27641
Half
13.11 mi13:51:052:34:3711:488:21
12:14
#27644
25K
15.53 mi14:24:153:07:4712:0533:10
13:41
#27664
30K
18.64 mi15:05:493:49:2112:1841:34
13:23
#27573
20M
20.00 mi15:23:554:07:2712:2218:06
13:19
#27520
21M
21.00 mi15:39:054:22:3712:3015:10
15:10
#27517
35K
21.75 mi15:49:254:32:5712:3310:20
13:49
#27530
23M
23.00 mi16:05:394:49:1112:3416:14
12:58
#27501
24M
24.00 mi16:17:595:01:3112:3412:20
12:20
#27462
40K
24.85 mi16:29:165:12:4812:3511:17
13:12
#27440
25.2M
25.20 mi16:34:155:17:4712:374:59
14:27
#27438
Finish
26.22 mi16:45:385:29:1012:3411:23
11:10
#27395
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27501116461164627508(Top 97%)11686(Top 96%)11686(Top 214%)
10K6.21 mi3.10 mi27508-711648-211648-227498(Top 97%)11664(Top 95%)11664(Top 213%)
15K9.32 mi3.11 mi27524-1611674-2611674-2627508(Top 97%)11686(Top 96%)11686(Top 214%)
20K12.43 mi3.11 mi27641-11711757-8311757-8327774(Top 98%)11858(Top 97%)11858(Top 217%)
Half13.11 mi0.68 mi27644-311763-611763-627611(Top 97%)11775(Top 96%)11775(Top 215%)
25K15.53 mi2.42 mi27664-2011775-1211775-1227719(Top 98%)11840(Top 97%)11840(Top 216%)
30K18.64 mi3.11 mi27573+9111741+3411741+3427031(Top 95%)11511(Top 94%)11511(Top 210%)
20M20.00 mi1.36 mi27520+5311726+1511726+1526738(Top 94%)11422(Top 93%)11422(Top 209%)
21M21.00 mi1.00 mi27517+311725+111725+127282(Top 96%)11718(Top 96%)11718(Top 214%)
35K21.75 mi0.75 mi27530-1311738-1311738-1327571(Top 97%)11891(Top 97%)11891(Top 217%)
23M23.00 mi1.25 mi27501+2911720+1811720+1826329(Top 93%)11264(Top 92%)11264(Top 206%)
24M24.00 mi1.00 mi27462+3911702+1811702+1826096(Top 92%)11175(Top 91%)11175(Top 204%)
40K24.85 mi0.85 mi27440+2211692+1011692+1026486(Top 93%)11380(Top 93%)11380(Top 208%)
25.2M25.20 mi0.35 mi27438+211694-211694-226687(Top 94%)11513(Top 94%)11513(Top 211%)
Finish26.22 mi1.02 mi27395+4311668+2611668+2625653(Top 90%)10987(Top 90%)10987(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

27508

Females

11686

F18-39

11686

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

27498

Females

11664

F18-39

11664

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

27508

Females

11686

F18-39

11686

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

27774

Females

11858

F18-39

11858

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

27611

Females

11775

F18-39

11775

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

27719

Females

11840

F18-39

11840

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

27031

Females

11511

F18-39

11511

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26738

Females

11422

F18-39

11422

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27282

Females

11718

F18-39

11718

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27571

Females

11891

F18-39

11891

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26329

Females

11264

F18-39

11264

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

26096

Females

11175

F18-39

11175

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26486

Females

11380

F18-39

11380

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26687

Females

11513

F18-39

11513

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

25653

Females

10987

F18-39

10987

Passing Analysis

Category:
Athletes Passed
657
Passed By
551
Net Change
+106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27501
5K → 10K107114-7#27501#27508
10K → 15K8197-16#27508#27524
15K → 20K36153-117#27524#27641
20K → Half1417-3#27641#27644
Half → 25K5070-20#27644#27664
25K → 30K11019+91#27664#27573
30K → 20M629+53#27573#27520
20M → 21M1512+3#27520#27517
21M → 35K922-13#27517#27530
35K → 23M4011+29#27530#27501
23M → 24M445+39#27501#27462
24M → 40K3311+22#27462#27440
40K → 25.2M108+2#27440#27438
25.2M → Finish463+43#27438#27395
TOTALS657551+106
📊

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