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BOSTON MARATHON 2025

Laura Addison

Bib: 5617•F

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 4%
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
6:32/mi
20:19
↑ 97↓ 3451.5%
10K· 6.21 mi
6:34/mi
40:43
↑ 79↓ 1380.4%
15K· 9.32 mi
6:34/mi
1:01:07
↑ 67↓ 78
20K· 12.43 mi
6:33/mi
1:21:27
↑ 106↓ 860.1%
Half· 13.11 mi
6:30/mi
1:25:53
↑ 19↓ 370.5%
25K· 15.53 mi
6:32/mi
1:41:44
↑ 66↓ 880.2%
30K· 18.64 mi
6:43/mi
2:02:36
↑ 181↓ 1480.2%
20M
6:53/mi
2:11:57
↑ 64↓ 500.2%
21M
7:23/mi
2:19:20
↑ 106↓ 241.6%
35K· 21.75 mi
6:28/mi
2:24:10
↑ 17↓ 861.7%
23M
7:05/mi
2:33:02
↑ 23↓ 630.6%
24M
7:00/mi
2:40:02
↓ 821.3%
40K· 24.85 mi
7:09/mi
2:46:09
↓ 200.3%
25.2M
7:53/mi
2:48:52
↑ 13↓ 160.2%
Finish· 26.22 mi
6:57/mi
2:55:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:53
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:30:04
Pace6:52 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4320:196:3220:19
6:32
-
10K
6.21 mi11:07:0740:436:3320:24
6:34
+0:02
15K
9.32 mi11:27:311:01:076:3320:24
6:34
0:00
20K
12.43 mi11:47:511:21:276:3320:20
6:33
-0:01
Half
13.11 mi11:52:171:25:536:334:26
6:30
-0:03
25K
15.53 mi12:08:081:41:446:3315:51
6:32
+0:02
30K
18.64 mi12:29:002:02:366:3520:52
6:43
+0:11
20M
20.00 mi12:38:212:11:576:369:21
6:53
+0:10
21M
21.00 mi12:45:442:19:206:387:23
7:23
+0:30
35K
21.75 mi12:50:342:24:106:384:50
6:28
-0:55
23M
23.00 mi12:59:262:33:026:398:52
7:05
+0:37
24M
24.00 mi13:06:262:40:026:407:00
7:00
-0:05
40K
24.85 mi13:12:332:46:096:416:07
7:09
+0:09
25.2M
25.20 mi13:15:162:48:526:422:43
7:53
+0:44
Finish
26.22 mi13:22:212:55:576:437:05
6:57
-0:56

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

6:28 /mi

Average Pace

6:43 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:16

5% of race

Time at Steady Pace

2:07:31

72% of race

Time at Slower Pace

39:10

22% of race

Average Pace: 6:43 /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 mi10:46:4320:196:3220:19
6:32
#4146
10K
6.21 mi11:07:0740:436:3320:24
6:34
#4163
15K
9.32 mi11:27:311:01:076:3320:24
6:34
#4082
20K
12.43 mi11:47:511:21:276:3320:20
6:33
#3850
Half
13.11 mi11:52:171:25:536:334:26
6:30
#3840
25K
15.53 mi12:08:081:41:446:3315:51
6:32
#3687
30K
18.64 mi12:29:002:02:366:3520:52
6:43
#3510
20M
20.00 mi12:38:212:11:576:369:21
6:53
#3462
21M
21.00 mi12:45:442:19:206:387:23
7:23
#3477
35K
21.75 mi12:50:342:24:106:384:50
6:28
#3384
23M
23.00 mi12:59:262:33:026:398:52
7:05
#3374
24M
24.00 mi13:06:262:40:026:407:00
7:00
#3397
40K
24.85 mi13:12:332:46:096:416:07
7:09
#3418
25.2M
25.20 mi13:15:162:48:526:422:43
7:53
#3426
Finish
26.22 mi13:22:212:55:576:437:05
6:57
#3475
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi41462312314010(Top 14%)225(Top 2%)225(Top 4%)
10K6.21 mi3.10 mi4163-17237-6237-64215(Top 15%)244(Top 2%)244(Top 4%)
15K9.32 mi3.11 mi4082+81227+10227+104010(Top 14%)225(Top 2%)225(Top 4%)
20K12.43 mi3.11 mi3850+232214+13214+133397(Top 12%)173(Top 1%)173(Top 3%)
Half13.11 mi0.68 mi3840+10215-1215-13731(Top 13%)198(Top 2%)198(Top 4%)
25K15.53 mi2.42 mi3687+153197+18197+183104(Top 11%)157(Top 1%)157(Top 3%)
30K18.64 mi3.11 mi3510+177185+12185+122974(Top 10%)166(Top 1%)166(Top 3%)
20M20.00 mi1.36 mi3462+48183+2183+23422(Top 12%)247(Top 2%)247(Top 5%)
21M21.00 mi1.00 mi3477-15186-3186-34054(Top 14%)369(Top 3%)369(Top 7%)
35K21.75 mi0.75 mi3384+93183+3183+32329(Top 8%)144(Top 1%)144(Top 3%)
23M23.00 mi1.25 mi3374+10186-3186-34250(Top 15%)459(Top 4%)459(Top 8%)
24M24.00 mi1.00 mi3397-23192-6192-64657(Top 16%)618(Top 5%)618(Top 11%)
40K24.85 mi0.85 mi3418-21204-12204-124815(Top 17%)711(Top 6%)711(Top 13%)
25.2M25.20 mi0.35 mi3426-8209-5209-55336(Top 19%)966(Top 8%)966(Top 18%)
Finish26.22 mi1.02 mi3475-49220-11220-115422(Top 19%)1014(Top 8%)1014(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

4010

Females

225

F18-39

225

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4215

Females

244

F18-39

244

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

4010

Females

225

F18-39

225

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3397

Females

173

F18-39

173

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3731

Females

198

F18-39

198

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

3104

Females

157

F18-39

157

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2974

Females

166

F18-39

166

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3422

Females

247

F18-39

247

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

4054

Females

369

F18-39

369

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2329

Females

144

F18-39

144

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4250

Females

459

F18-39

459

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4657

Females

618

F18-39

618

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4815

Females

711

F18-39

711

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5336

Females

966

F18-39

966

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5422

Females

1014

F18-39

1014

Passing Analysis

Category:
Athletes Passed
1315
Passed By
644
Net Change
+671
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4146
5K → 10K140157-17#4146#4163
10K → 15K13352+81#4163#4082
15K → 20K24513+232#4082#3850
20K → Half199+10#3850#3840
Half → 25K16310+153#3840#3687
25K → 30K20427+177#3687#3510
30K → 20M8537+48#3510#3462
20M → 21M4560-15#3462#3477
21M → 35K952+93#3477#3384
35K → 23M6656+10#3384#3374
23M → 24M4063-23#3374#3397
24M → 40K3657-21#3397#3418
40K → 25.2M1624-8#3418#3426
25.2M → Finish2877-49#3426#3475
TOTALS1315644+671
📊

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