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BOSTON MARATHON 2025

Keren David-Zarbiv

Bib: 22373•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 50%
Masters (Masters Women)
#0 / 6759
Top 38%
Division (F45-49)
#0 / 1813
Top 48%
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
8:07/mi
25:13
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
50:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:16:24
↑ 67↓ 78
20K· 12.43 mi
8:27/mi
1:42:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:48:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:27/mi
2:08:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:36:05
↑ 181↓ 1480.2%
20M
8:52/mi
2:48:08
↑ 64↓ 500.2%
21M
9:39/mi
2:57:47
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:04:22
↑ 17↓ 861.7%
23M
8:52/mi
3:15:28
↑ 23↓ 630.6%
24M
9:02/mi
3:24:30
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:32:13
↓ 200.3%
25.2M
10:12/mi
3:35:44
↑ 13↓ 160.2%
Finish· 26.22 mi
8:52/mi
3:44:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:17
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:56:29
Pace8:53 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5225:138:0725:13
8:07
-
10K
6.21 mi11:47:2550:468:1025:33
8:13
+0:06
15K
9.32 mi12:13:031:16:248:1225:38
8:15
+0:02
20K
12.43 mi12:39:181:42:398:1626:15
8:27
+0:12
Half
13.11 mi12:44:561:48:178:165:38
8:15
-0:12
25K
15.53 mi13:05:252:08:468:1720:29
8:27
+0:12
30K
18.64 mi13:32:442:36:058:2227:19
8:48
+0:21
20M
20.00 mi13:44:472:48:088:2412:03
8:52
+0:04
21M
21.00 mi13:54:262:57:478:289:39
9:39
+0:47
35K
21.75 mi14:01:013:04:228:296:35
8:48
-0:51
23M
23.00 mi14:12:073:15:288:3011:06
8:52
+0:04
24M
24.00 mi14:21:093:24:308:319:02
9:02
+0:10
40K
24.85 mi14:28:523:32:138:327:43
9:02
0:00
25.2M
25.20 mi14:32:233:35:448:343:31
10:12
+1:10
Finish
26.22 mi14:41:253:44:468:359:02
8:52
-1:20

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

8:07 /mi

Average Pace

8:35 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:46

57% of race

Time at Steady Pace

1:22:50

37% of race

Time at Slower Pace

13:10

6% of race

Average Pace: 8:34 /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 mi11:21:5225:138:0725:13
8:07
#17488
10K
6.21 mi11:47:2550:468:1025:33
8:13
#17775
15K
9.32 mi12:13:031:16:248:1225:38
8:15
#17742
20K
12.43 mi12:39:181:42:398:1626:15
8:27
#17762
Half
13.11 mi12:44:561:48:178:165:38
8:15
#17737
25K
15.53 mi13:05:252:08:468:1720:29
8:27
#17532
30K
18.64 mi13:32:442:36:058:2227:19
8:48
#17289
20M
20.00 mi13:44:472:48:088:2412:03
8:52
#17177
21M
21.00 mi13:54:262:57:478:289:39
9:39
#17135
35K
21.75 mi14:01:013:04:228:296:35
8:48
#17125
23M
23.00 mi14:12:073:15:288:3011:06
8:52
#17007
24M
24.00 mi14:21:093:24:308:319:02
9:02
#17038
40K
24.85 mi14:28:523:32:138:327:43
9:02
#17012
25.2M
25.20 mi14:32:233:35:448:343:31
10:12
#17030
Finish
26.22 mi14:41:253:44:468:359:02
8:52
#17070
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi174886023602317750(Top 62%)6168(Top 50%)6168(Top 340%)
10K6.21 mi3.10 mi17775-2876190-1676190-16718069(Top 64%)6338(Top 52%)6338(Top 350%)
15K9.32 mi3.11 mi17742+336174+166174+1617750(Top 62%)6168(Top 50%)6168(Top 340%)
20K12.43 mi3.11 mi17762-206199-256199-2517884(Top 63%)6278(Top 51%)6278(Top 346%)
Half13.11 mi0.68 mi17737+256186+136186+1317697(Top 62%)6151(Top 50%)6151(Top 339%)
25K15.53 mi2.42 mi17532+2056080+1066080+10616877(Top 59%)5788(Top 47%)5788(Top 319%)
30K18.64 mi3.11 mi17289+2435987+935987+9316574(Top 58%)5790(Top 47%)5790(Top 319%)
20M20.00 mi1.36 mi17177+1125950+375950+3716062(Top 57%)5630(Top 46%)5630(Top 311%)
21M21.00 mi1.00 mi17135+425957-75957-716799(Top 59%)6148(Top 50%)6148(Top 339%)
35K21.75 mi0.75 mi17125+105980-235980-2317265(Top 61%)6500(Top 53%)6500(Top 359%)
23M23.00 mi1.25 mi17007+1185937+435937+4315509(Top 55%)5611(Top 46%)5611(Top 309%)
24M24.00 mi1.00 mi17038-315981-445981-4417550(Top 62%)6786(Top 55%)6786(Top 374%)
40K24.85 mi0.85 mi17012+265993-125993-1216476(Top 58%)6299(Top 52%)6299(Top 347%)
25.2M25.20 mi0.35 mi17030-186020-276020-2717890(Top 63%)7068(Top 58%)7068(Top 390%)
Finish26.22 mi1.02 mi17070-406056-366056-3618375(Top 65%)7273(Top 59%)7273(Top 401%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17750

Females

6168

F45-49

6168

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18069

Females

6338

F45-49

6338

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17750

Females

6168

F45-49

6168

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

17884

Females

6278

F45-49

6278

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17697

Females

6151

F45-49

6151

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

16877

Females

5788

F45-49

5788

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16574

Females

5790

F45-49

5790

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16062

Females

5630

F45-49

5630

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16799

Females

6148

F45-49

6148

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17265

Females

6500

F45-49

6500

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15509

Females

5611

F45-49

5611

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17550

Females

6786

F45-49

6786

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16476

Females

6299

F45-49

6299

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17890

Females

7068

F45-49

7068

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18375

Females

7273

F45-49

7273

Passing Analysis

Category:
Athletes Passed
1951
Passed By
1533
Net Change
+418
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17488
5K → 10K166453-287#17488#17775
10K → 15K205172+33#17775#17742
15K → 20K177197-20#17742#17762
20K → Half4520+25#17762#17737
Half → 25K26358+205#17737#17532
25K → 30K33996+243#17532#17289
30K → 20M15947+112#17289#17177
20M → 21M12886+42#17177#17135
21M → 35K7060+10#17135#17125
35K → 23M16850+118#17125#17007
23M → 24M73104-31#17007#17038
24M → 40K7549+26#17038#17012
40K → 25.2M3351-18#17012#17030
25.2M → Finish5090-40#17030#17070
TOTALS19511533+418
📊

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