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BOSTON MARATHON 2025

Lauren Cummings

Bib: 14854•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 13%
Division (F18-39)
#0 / 5469
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:17
Rank: #12195
Start → 5K
23:17 | 7:30/mi
10K· 6.21 mi
46:38
Rank: #12176 (+19)
5K → 10K
23:21 | 7:31/mi
15K· 9.32 mi
1:10:08
Rank: #12204 (-28)
10K → 15K
23:30 | 7:34/mi
20K· 12.43 mi
1:33:22
Rank: #11747 (+457)
15K → 20K
23:14 | 7:29/mi
Half· 13.11 mi
1:38:20
Rank: #11648 (+99)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:56:06
Rank: #11121 (+527)
Half → 25K
17:46 | 7:20/mi
30K· 18.64 mi
2:19:34
Rank: #10465 (+656)
25K → 30K
23:28 | 7:33/mi
20M
2:29:47
Rank: #10139 (+326)
30K → 20M
10:13 | 7:31/mi
21M
2:37:28
Rank: #9784 (+355)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:42:39
Rank: #9565 (+219)
21M → 35K
5:11 | 6:56/mi
23M
2:51:54
Rank: #9270 (+295)
35K → 23M
9:15 | 7:23/mi
24M
2:59:11
Rank: #9082 (+188)
23M → 24M
7:17 | 7:17/mi
40K· 24.85 mi
3:05:28
Rank: #8894 (+188)
24M → 40K
6:17 | 7:21/mi
25.2M
3:08:13
Rank: #8827 (+67)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:15:03
Rank: #8568 (+259)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:38:20
Pace7:30 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:43
Pace7:23 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1123:177:3023:17
7:30
-
10K
6.21 mi11:18:3246:387:3023:21
7:31
+0:01
15K
9.32 mi11:42:021:10:087:3123:30
7:34
+0:03
20K
12.43 mi12:05:161:33:227:3123:14
7:29
-0:05
Half
13.11 mi12:10:141:38:207:304:58
7:17
-0:12
25K
15.53 mi12:28:001:56:067:2817:46
7:20
+0:03
30K
18.64 mi12:51:282:19:347:2923:28
7:33
+0:13
20M
20.00 mi13:01:412:29:477:2910:13
7:31
-0:02
21M
21.00 mi13:09:222:37:287:307:41
7:41
+0:10
35K
21.75 mi13:14:332:42:397:295:11
6:56
-0:45
23M
23.00 mi13:23:482:51:547:289:15
7:23
+0:27
24M
24.00 mi13:31:052:59:117:287:17
7:17
-0:06
40K
24.85 mi13:37:223:05:287:286:17
7:21
+0:04
25.2M
25.20 mi13:40:073:08:137:282:45
7:58
+0:37
Finish
26.22 mi13:46:573:15:037:276:50
6:42
-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

6:42 /mi

Average Pace

7:27 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:19

25% of race

Time at Steady Pace

2:23:59

74% of race

Time at Slower Pace

2:45

1% of race

Average Pace: 7:26 /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 mi10:55:1123:177:3023:17
7:30
#12195
10K
6.21 mi11:18:3246:387:3023:21
7:31
#12176
15K
9.32 mi11:42:021:10:087:3123:30
7:34
#12204
20K
12.43 mi12:05:161:33:227:3123:14
7:29
#11747
Half
13.11 mi12:10:141:38:207:304:58
7:17
#11648
25K
15.53 mi12:28:001:56:067:2817:46
7:20
#11121
30K
18.64 mi12:51:282:19:347:2923:28
7:33
#10465
20M
20.00 mi13:01:412:29:477:2910:13
7:31
#10139
21M
21.00 mi13:09:222:37:287:307:41
7:41
#9784
35K
21.75 mi13:14:332:42:397:295:11
6:56
#9565
23M
23.00 mi13:23:482:51:547:289:15
7:23
#9270
24M
24.00 mi13:31:052:59:117:287:17
7:17
#9082
40K
24.85 mi13:37:223:05:287:286:17
7:21
#8894
25.2M
25.20 mi13:40:073:08:137:282:45
7:58
#8827
Finish
26.22 mi13:46:573:15:037:276:50
6:42
#8568
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi121952896289612296(Top 43%)3057(Top 25%)3057(Top 56%)
10K6.21 mi3.10 mi12176+192897-12897-112254(Top 43%)2951(Top 24%)2951(Top 54%)
15K9.32 mi3.11 mi12204-282949-522949-5212296(Top 43%)3057(Top 25%)3057(Top 56%)
20K12.43 mi3.11 mi11747+4572738+2112738+21110573(Top 37%)2241(Top 18%)2241(Top 41%)
Half13.11 mi0.68 mi11648+992682+562682+569866(Top 35%)1882(Top 15%)1882(Top 34%)
25K15.53 mi2.42 mi11121+5272451+2312451+2318595(Top 30%)1466(Top 12%)1466(Top 27%)
30K18.64 mi3.11 mi10465+6562184+2672184+2678120(Top 29%)1442(Top 12%)1442(Top 26%)
20M20.00 mi1.36 mi10139+3262053+1312053+1317162(Top 25%)1209(Top 10%)1209(Top 22%)
21M21.00 mi1.00 mi9784+3551919+1341919+1345585(Top 20%)791(Top 6%)791(Top 14%)
35K21.75 mi0.75 mi9565+2191840+791840+794988(Top 18%)619(Top 5%)619(Top 11%)
23M23.00 mi1.25 mi9270+2951757+831757+836025(Top 21%)1035(Top 8%)1035(Top 19%)
24M24.00 mi1.00 mi9082+1881705+521705+526350(Top 22%)1208(Top 10%)1208(Top 22%)
40K24.85 mi0.85 mi8894+1881668+371668+375955(Top 21%)1125(Top 9%)1125(Top 21%)
25.2M25.20 mi0.35 mi8827+671658+101658+105881(Top 21%)1207(Top 10%)1207(Top 22%)
Finish26.22 mi1.02 mi8568+2591574+841574+843959(Top 14%)551(Top 5%)551(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

12296

Females

3057

F18-39

3057

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

12254

Females

2951

F18-39

2951

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

12296

Females

3057

F18-39

3057

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

10573

Females

2241

F18-39

2241

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9866

Females

1882

F18-39

1882

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8595

Females

1466

F18-39

1466

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8120

Females

1442

F18-39

1442

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

7162

Females

1209

F18-39

1209

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5585

Females

791

F18-39

791

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4988

Females

619

F18-39

619

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6025

Females

1035

F18-39

1035

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6350

Females

1208

F18-39

1208

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5955

Females

1125

F18-39

1125

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5881

Females

1207

F18-39

1207

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3959

Females

551

F18-39

551

Passing Analysis

Category:
Athletes Passed
4157*
Passed By
530
Net Change
+3627
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12195
5K → 10K263244+19#12195#12176
10K → 15K182210-28#12176#12204
15K → 20K48225+457#12204#11747
20K → Half1034+99#11747#11648
Half → 25K5270+527#11648#11121
25K → 30K6637+656#11121#10465
30K → 20M3326+326#10465#10139
20M → 21M357*2+355#10139#9784
21M → 35K2190+219#9784#9565
35K → 23M2994+295#9565#9270
23M → 24M1979+188#9270#9082
24M → 40K1979+188#9082#8894
40K → 25.2M747+67#8894#8827
25.2M → Finish2623+259#8827#8568
TOTALS4157*530+3627

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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