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BOSTON MARATHON 2025

Nicole Eisenberg

Bib: 16811•F

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
8:29/mi
26:20
↑ 97↓ 3451.5%
10K· 6.21 mi
8:35/mi
53:01
↑ 79↓ 1380.4%
15K· 9.32 mi
8:41/mi
1:20:00
↑ 67↓ 78
20K· 12.43 mi
8:52/mi
1:47:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:53:27
↑ 19↓ 370.5%
25K· 15.53 mi
9:07/mi
2:15:34
↑ 66↓ 880.2%
30K· 18.64 mi
9:32/mi
2:45:11
↑ 181↓ 1480.2%
20M
9:57/mi
2:58:42
↑ 64↓ 500.2%
21M
11:24/mi
3:10:06
↑ 106↓ 241.6%
35K· 21.75 mi
9:19/mi
3:17:04
↑ 17↓ 861.7%
23M
9:54/mi
3:29:28
↑ 23↓ 630.6%
24M
9:42/mi
3:39:10
↓ 821.3%
40K· 24.85 mi
9:41/mi
3:47:27
↓ 200.3%
25.2M
10:41/mi
3:51:08
↑ 13↓ 160.2%
Finish· 26.22 mi
9:58/mi
4:01:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:27
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:07:50
Pace9:45 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:4526:208:2926:20
8:29
-
10K
6.21 mi11:27:2653:018:3226:41
8:35
+0:06
15K
9.32 mi11:54:251:20:008:3526:59
8:41
+0:06
20K
12.43 mi12:21:571:47:328:3927:32
8:52
+0:11
Half
13.11 mi12:27:521:53:278:395:55
8:40
-0:12
25K
15.53 mi12:49:592:15:348:4422:07
9:07
+0:27
30K
18.64 mi13:19:362:45:118:5229:37
9:32
+0:25
20M
20.00 mi13:33:072:58:428:5613:31
9:57
+0:25
21M
21.00 mi13:44:313:10:069:0311:24
11:24
+1:27
35K
21.75 mi13:51:293:17:049:046:58
9:19
-2:05
23M
23.00 mi14:03:533:29:289:0612:24
9:54
+0:35
24M
24.00 mi14:13:353:39:109:089:42
9:42
-0:12
40K
24.85 mi14:21:523:47:279:098:17
9:41
-0:01
25.2M
25.20 mi14:25:333:51:089:103:41
10:41
+1:00
Finish
26.22 mi14:35:424:01:179:1310:09
9:58
-0:43

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

8:29 /mi

Average Pace

9:13 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:34

56% of race

Time at Steady Pace

1:06:58

28% of race

Time at Slower Pace

38:45

16% of race

Average Pace: 9:12 /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 mi11:00:4526:208:2926:20
8:29
#19770
10K
6.21 mi11:27:2653:018:3226:41
8:35
#20037
15K
9.32 mi11:54:251:20:008:3526:59
8:41
#20146
20K
12.43 mi12:21:571:47:328:3927:32
8:52
#20150
Half
13.11 mi12:27:521:53:278:395:55
8:40
#20145
25K
15.53 mi12:49:592:15:348:4422:07
9:07
#20227
30K
18.64 mi13:19:362:45:118:5229:37
9:32
#20191
20M
20.00 mi13:33:072:58:428:5613:31
9:57
#20248
21M
21.00 mi13:44:313:10:069:0311:24
11:24
#20445
35K
21.75 mi13:51:293:17:049:046:58
9:19
#20406
23M
23.00 mi14:03:533:29:289:0612:24
9:54
#20411
24M
24.00 mi14:13:353:39:109:089:42
9:42
#20439
40K
24.85 mi14:21:523:47:279:098:17
9:41
#20409
25.2M
25.20 mi14:25:333:51:089:103:41
10:41
#20415
Finish
26.22 mi14:35:424:01:179:1310:09
9:58
#20543
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi197707375737520422(Top 72%)7670(Top 63%)7670(Top 423%)
10K6.21 mi3.10 mi20037-2677491-1167491-11620311(Top 72%)7644(Top 63%)7644(Top 422%)
15K9.32 mi3.11 mi20146-1097556-657556-6520422(Top 72%)7670(Top 63%)7670(Top 423%)
20K12.43 mi3.11 mi20150-47558-27558-220296(Top 71%)7648(Top 63%)7648(Top 422%)
Half13.11 mi0.68 mi20145+57558755820260(Top 71%)7633(Top 62%)7633(Top 421%)
25K15.53 mi2.42 mi20227-827621-637621-6320459(Top 72%)7786(Top 64%)7786(Top 429%)
30K18.64 mi3.11 mi20191+367631-107631-1020074(Top 71%)7696(Top 63%)7696(Top 424%)
20M20.00 mi1.36 mi20248-577695-647695-6420769(Top 73%)8232(Top 67%)8232(Top 454%)
21M21.00 mi1.00 mi20445-1977825-1307825-13022403(Top 79%)9192(Top 75%)9192(Top 507%)
35K21.75 mi0.75 mi20406+397817+87817+819650(Top 69%)7798(Top 64%)7798(Top 430%)
23M23.00 mi1.25 mi20411-57839-227839-2220180(Top 71%)8141(Top 67%)8141(Top 449%)
24M24.00 mi1.00 mi20439-287871-327871-3220394(Top 72%)8286(Top 68%)8286(Top 457%)
40K24.85 mi0.85 mi20409+307874-37874-319449(Top 68%)7865(Top 64%)7865(Top 434%)
25.2M25.20 mi0.35 mi20415-67883-97883-919698(Top 69%)8009(Top 65%)8009(Top 442%)
Finish26.22 mi1.02 mi20543-1287965-827965-8222814(Top 80%)9572(Top 78%)9572(Top 528%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20422

Females

7670

F45-49

7670

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20311

Females

7644

F45-49

7644

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20422

Females

7670

F45-49

7670

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

20296

Females

7648

F45-49

7648

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20260

Females

7633

F45-49

7633

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20459

Females

7786

F45-49

7786

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20074

Females

7696

F45-49

7696

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20769

Females

8232

F45-49

8232

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22403

Females

9192

F45-49

9192

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

19650

Females

7798

F45-49

7798

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20180

Females

8141

F45-49

8141

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20394

Females

8286

F45-49

8286

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19449

Females

7865

F45-49

7865

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19698

Females

8009

F45-49

8009

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22814

Females

9572

F45-49

9572

Passing Analysis

Category:
Athletes Passed
1355
Passed By
2128
Net Change
-773
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19770
5K → 10K164431-267#19770#20037
10K → 15K142251-109#20037#20146
15K → 20K185189-4#20146#20150
20K → Half4035+5#20150#20145
Half → 25K135217-82#20145#20227
25K → 30K245209+36#20227#20191
30K → 20M80137-57#20191#20248
20M → 21M36233-197#20248#20445
21M → 35K7738+39#20445#20406
35K → 23M8792-5#20406#20411
23M → 24M4472-28#20411#20439
24M → 40K7040+30#20439#20409
40K → 25.2M2935-6#20409#20415
25.2M → Finish21149-128#20415#20543
TOTALS13552128-773
📊

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