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BOSTON MARATHON 2025

Liz Belanger

Bib: 9144•F

NH

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 24%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #6013
Start → 5K
6:46/mi
21:00 split
10K· 6.21 mi
42:04
Rank: #6029 (-16)
5K → 10K
6:47/mi
21:04 split
15K· 9.32 mi
1:03:20
Rank: #6158 (-129)
10K → 15K
6:51/mi
21:16 split
20K· 12.43 mi
1:25:00
Rank: #6312 (-154)
15K → 20K
6:58/mi
21:40 split
Half· 13.11 mi
1:29:42
Rank: #6340 (-28)
20K → Half
6:53/mi
4:42 split
25K· 15.53 mi
1:46:56
Rank: #6450 (-110)
Half → 25K
7:06/mi
17:14 split
30K· 18.64 mi
2:09:33
Rank: #6328 (+122)
25K → 30K
7:17/mi
22:37 split
20M
2:19:52
Rank: #6351 (-23)
30K → 20M
7:36/mi
10:19 split
21M
2:27:49
Rank: #6322 (+29)
20M → 21M
7:57/mi
7:57 split
35K· 21.75 mi
2:33:25
Rank: #6344 (-22)
21M → 35K
7:29/mi
5:36 split
23M
2:43:16
Rank: #6405 (-61)
35K → 23M
7:52/mi
9:51 split
24M
2:51:03
Rank: #6488 (-83)
23M → 24M
7:47/mi
7:47 split
40K· 24.85 mi
2:57:53
Rank: #6543 (-55)
24M → 40K
8:00/mi
6:50 split
25.2M
3:00:50
Rank: #6568 (-25)
40K → 25.2M
8:33/mi
2:57 split
Finish· 26.22 mi
3:08:41
Rank: #6686 (-118)
25.2M → Finish
7:42/mi
7:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:42
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:38:59
Pace7:33 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2321:006:4621:00
6:46
-
10K
6.21 mi11:07:2742:046:4621:04
6:47
+0:01
15K
9.32 mi11:28:431:03:206:4821:16
6:51
+0:04
20K
12.43 mi11:50:231:25:006:5021:40
6:58
+0:07
Half
13.11 mi11:55:051:29:426:514:42
6:53
-0:05
25K
15.53 mi12:12:191:46:566:5317:14
7:06
+0:13
30K
18.64 mi12:34:562:09:336:5722:37
7:17
+0:11
20M
20.00 mi12:45:152:19:527:0010:19
7:36
+0:19
21M
21.00 mi12:53:122:27:497:027:57
7:57
+0:21
35K
21.75 mi12:58:482:33:257:035:36
7:29
-0:28
23M
23.00 mi13:08:392:43:167:069:51
7:52
+0:23
24M
24.00 mi13:16:262:51:037:087:47
7:47
-0:05
40K
24.85 mi13:23:162:57:537:096:50
8:00
+0:13
25.2M
25.20 mi13:26:133:00:507:112:57
8:33
+0:33
Finish
26.22 mi13:34:043:08:417:127:51
7:42
-0:51

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

6:46 /mi

Average Pace

7:12 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:56

57% of race

Time at Steady Pace

46:23

25% of race

Time at Slower Pace

35:22

19% of race

Average Pace: 7:12 /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 mi10:46:2321:006:4621:00
6:46
#6013
10K
6.21 mi11:07:2742:046:4621:04
6:47
#6029
15K
9.32 mi11:28:431:03:206:4821:16
6:51
#6158
20K
12.43 mi11:50:231:25:006:5021:40
6:58
#6312
Half
13.11 mi11:55:051:29:426:514:42
6:53
#6340
25K
15.53 mi12:12:191:46:566:5317:14
7:06
#6450
30K
18.64 mi12:34:562:09:336:5722:37
7:17
#6328
20M
20.00 mi12:45:152:19:527:0010:19
7:36
#6351
21M
21.00 mi12:53:122:27:497:027:57
7:57
#6322
35K
21.75 mi12:58:482:33:257:035:36
7:29
#6344
23M
23.00 mi13:08:392:43:167:069:51
7:52
#6405
24M
24.00 mi13:16:262:51:037:087:47
7:47
#6488
40K
24.85 mi13:23:162:57:537:096:50
8:00
#6543
25.2M
25.20 mi13:26:133:00:507:112:57
8:33
#6568
Finish
26.22 mi13:34:043:08:417:127:51
7:42
#6686
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi60134784786550(Top 23%)632(Top 5%)632(Top 12%)
10K6.21 mi3.10 mi6029-16487-9487-96209(Top 22%)544(Top 4%)544(Top 10%)
15K9.32 mi3.11 mi6158-129513-26513-266550(Top 23%)632(Top 5%)632(Top 12%)
20K12.43 mi3.11 mi6312-154570-57570-576736(Top 24%)717(Top 6%)717(Top 13%)
Half13.11 mi0.68 mi6340-28579-9579-96894(Top 24%)752(Top 6%)752(Top 14%)
25K15.53 mi2.42 mi6450-110610-31610-317036(Top 25%)873(Top 7%)873(Top 16%)
30K18.64 mi3.11 mi6328+122621-11621-116345(Top 22%)776(Top 6%)776(Top 14%)
20M20.00 mi1.36 mi6351-23638-17638-177635(Top 27%)1381(Top 11%)1381(Top 25%)
21M21.00 mi1.00 mi6322+29647-9647-97091(Top 25%)1335(Top 11%)1335(Top 24%)
35K21.75 mi0.75 mi6344-22670-23670-238528(Top 30%)1894(Top 15%)1894(Top 35%)
23M23.00 mi1.25 mi6405-61710-40710-409060(Top 32%)2277(Top 19%)2277(Top 42%)
24M24.00 mi1.00 mi6488-83754-44754-449690(Top 34%)2644(Top 22%)2644(Top 48%)
40K24.85 mi0.85 mi6543-55799-45799-4510145(Top 36%)2985(Top 24%)2985(Top 55%)
25.2M25.20 mi0.35 mi6568-25822-23822-239119(Top 32%)2556(Top 21%)2556(Top 47%)
Finish26.22 mi1.02 mi6686-118887-65887-6510725(Top 38%)3319(Top 27%)3319(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6550

Females

632

F18-39

632

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

6209

Females

544

F18-39

544

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6550

Females

632

F18-39

632

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6736

Females

717

F18-39

717

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6894

Females

752

F18-39

752

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

7036

Females

873

F18-39

873

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6345

Females

776

F18-39

776

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7635

Females

1381

F18-39

1381

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

7091

Females

1335

F18-39

1335

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8528

Females

1894

F18-39

1894

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9060

Females

2277

F18-39

2277

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9690

Females

2644

F18-39

2644

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10145

Females

2985

F18-39

2985

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9119

Females

2556

F18-39

2556

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10725

Females

3319

F18-39

3319

Passing Analysis

Category:
Athletes Passed
1116
Passed By
1789
Net Change
-673
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6013
5K → 10K177193-16#6013#6029
10K → 15K103232-129#6029#6158
15K → 20K103257-154#6158#6312
20K → Half1846-28#6312#6340
Half → 25K96206-110#6340#6450
25K → 30K231109+122#6450#6328
30K → 20M84107-23#6328#6351
20M → 21M7243+29#6351#6322
21M → 35K3658-22#6322#6344
35K → 23M67128-61#6344#6405
23M → 24M34117-83#6405#6488
24M → 40K4095-55#6488#6543
40K → 25.2M2348-25#6543#6568
25.2M → Finish32150-118#6568#6686
TOTALS11161789-673
📊

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