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BOSTON MARATHON 2025

Lisa Grünberg

Bib: 17371•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:46
Rank: #10673
Start → 5K
7:20/mi
22:46 split
10K· 6.21 mi
46:39
Rank: #12208 (-1535)
5K → 10K
7:41/mi
23:53 split
15K· 9.32 mi
1:12:10
Rank: #14137 (-1929)
10K → 15K
8:13/mi
25:31 split
20K· 12.43 mi
1:38:27
Rank: #15299 (-1162)
15K → 20K
8:28/mi
26:17 split
Half· 13.11 mi
1:43:59
Rank: #15373 (-74)
20K → Half
8:07/mi
5:32 split
25K· 15.53 mi
2:05:14
Rank: #16038 (-665)
Half → 25K
8:46/mi
21:15 split
30K· 18.64 mi
2:33:16
Rank: #16360 (-322)
25K → 30K
9:01/mi
28:02 split
20M
2:45:43
Rank: #16413 (-53)
30K → 20M
9:10/mi
12:27 split
21M
2:55:22
Rank: #16393 (+20)
20M → 21M
9:39/mi
9:39 split
35K· 21.75 mi
3:01:56
Rank: #16390 (+3)
21M → 35K
8:47/mi
6:34 split
23M
3:13:20
Rank: #16383 (+7)
35K → 23M
9:06/mi
11:24 split
24M
3:22:19
Rank: #16418 (-35)
23M → 24M
8:59/mi
8:59 split
40K· 24.85 mi
3:31:17
Rank: #16745 (-327)
24M → 40K
10:29/mi
8:58 split
25.2M
3:34:42
Rank: #16745
40K → 25.2M
9:54/mi
3:25 split
Finish· 26.22 mi
3:43:30
Rank: #16746 (-1)
25.2M → Finish
8:38/mi
8:48 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:59
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:59:31
Pace9:07 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2622:467:2022:46
7:20
-
10K
6.21 mi11:37:1946:397:3023:53
7:41
+0:21
15K
9.32 mi12:02:501:12:107:4525:31
8:13
+0:32
20K
12.43 mi12:29:071:38:277:5526:17
8:28
+0:15
Half
13.11 mi12:34:391:43:597:565:32
8:07
-0:21
25K
15.53 mi12:55:542:05:148:0421:15
8:46
+0:39
30K
18.64 mi13:23:562:33:168:1328:02
9:01
+0:15
20M
20.00 mi13:36:232:45:438:1712:27
9:10
+0:09
21M
21.00 mi13:46:022:55:228:219:39
9:39
+0:29
35K
21.75 mi13:52:363:01:568:226:34
8:47
-0:52
23M
23.00 mi14:04:003:13:208:2411:24
9:06
+0:19
24M
24.00 mi14:12:593:22:198:268:59
8:59
-0:07
40K
24.85 mi14:21:573:31:178:308:58
10:29
+1:30
25.2M
25.20 mi14:25:223:34:428:313:25
9:54
-0:35
Finish
26.22 mi14:34:103:43:308:328:48
8:38
-1:16

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

7:20 /mi

Average Pace

8:32 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:42

35% of race

Time at Steady Pace

2:03:46

55% of race

Time at Slower Pace

22:02

10% of race

Average Pace: 8:31 /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 mi11:13:2622:467:2022:46
7:20
#10673
10K
6.21 mi11:37:1946:397:3023:53
7:41
#12208
15K
9.32 mi12:02:501:12:107:4525:31
8:13
#14137
20K
12.43 mi12:29:071:38:277:5526:17
8:28
#15299
Half
13.11 mi12:34:391:43:597:565:32
8:07
#15373
25K
15.53 mi12:55:542:05:148:0421:15
8:46
#16038
30K
18.64 mi13:23:562:33:168:1328:02
9:01
#16360
20M
20.00 mi13:36:232:45:438:1712:27
9:10
#16413
21M
21.00 mi13:46:022:55:228:219:39
9:39
#16393
35K
21.75 mi13:52:363:01:568:226:34
8:47
#16390
23M
23.00 mi14:04:003:13:208:2411:24
9:06
#16383
24M
24.00 mi14:12:593:22:198:268:59
8:59
#16418
40K
24.85 mi14:21:573:31:178:308:58
10:29
#16745
25.2M
25.20 mi14:25:223:34:428:313:25
9:54
#16745
Finish
26.22 mi14:34:103:43:308:328:48
8:38
#16746
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106732130213017474(Top 62%)5998(Top 49%)5998(Top 110%)
10K6.21 mi3.10 mi12208-15352918-7882918-78813799(Top 49%)3842(Top 31%)3842(Top 70%)
15K9.32 mi3.11 mi14137-19294052-11344052-113417474(Top 62%)5998(Top 49%)5998(Top 110%)
20K12.43 mi3.11 mi15299-11624752-7004752-70017955(Top 63%)6315(Top 52%)6315(Top 115%)
Half13.11 mi0.68 mi15373-744794-424794-4216748(Top 59%)5623(Top 46%)5623(Top 103%)
25K15.53 mi2.42 mi16038-6655185-3915185-39118752(Top 66%)6838(Top 56%)6838(Top 125%)
30K18.64 mi3.11 mi16360-3225447-2625447-26217808(Top 63%)6475(Top 53%)6475(Top 118%)
20M20.00 mi1.36 mi16413-535507-605507-6017607(Top 62%)6471(Top 53%)6471(Top 118%)
21M21.00 mi1.00 mi16393+205523-165523-1616797(Top 59%)6146(Top 50%)6146(Top 112%)
35K21.75 mi0.75 mi16390+35536-135536-1317151(Top 60%)6430(Top 53%)6430(Top 118%)
23M23.00 mi1.25 mi16383+75564-285564-2816853(Top 59%)6360(Top 52%)6360(Top 116%)
24M24.00 mi1.00 mi16418-355621-575621-5717295(Top 61%)6643(Top 54%)6643(Top 121%)
40K24.85 mi0.85 mi16745-3275840-2195840-21921896(Top 77%)9141(Top 75%)9141(Top 167%)
25.2M25.20 mi0.35 mi167455856-165856-1616629(Top 59%)6397(Top 52%)6397(Top 117%)
Finish26.22 mi1.02 mi16746-15878-225878-2217100(Top 60%)6605(Top 54%)6605(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17474

Females

5998

F18-39

5998

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13799

Females

3842

F18-39

3842

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17474

Females

5998

F18-39

5998

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

17955

Females

6315

F18-39

6315

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16748

Females

5623

F18-39

5623

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

18752

Females

6838

F18-39

6838

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17808

Females

6475

F18-39

6475

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17607

Females

6471

F18-39

6471

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16797

Females

6146

F18-39

6146

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17151

Females

6430

F18-39

6430

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16853

Females

6360

F18-39

6360

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17295

Females

6643

F18-39

6643

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21896

Females

9141

F18-39

9141

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16629

Females

6397

F18-39

6397

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

17100

Females

6605

F18-39

6605

Passing Analysis

Category:
Athletes Passed
886
Passed By
6959
Net Change
-6073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10673
5K → 10K201555-1535#10673#12208
10K → 15K101939-1929#12208#14137
15K → 20K481210-1162#14137#15299
20K → Half2296-74#15299#15373
Half → 25K48713-665#15373#16038
25K → 30K139461-322#16038#16360
30K → 20M95148-53#16360#16413
20M → 21M11898+20#16413#16393
21M → 35K6865+3#16393#16390
35K → 23M118111+7#16390#16383
23M → 24M72107-35#16383#16418
24M → 40K22349-327#16418#16745
40K → 25.2M34340#16745#16745
25.2M → Finish7273-1#16745#16746
TOTALS8866959-6073
📊

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