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BOSTON MARATHON 2025

Addeline Robbins

Bib: 21436•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 50%
Masters (Masters Women)
#0 / 6759
Top 39%
Division (F45-49)
#0 / 1813
Top 49%
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
7:55/mi
24:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
49:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:15:06
↑ 67↓ 78
20K· 12.43 mi
8:25/mi
1:41:14
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:46:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:41/mi
2:07:53
↑ 66↓ 880.2%
30K· 18.64 mi
9:09/mi
2:36:20
↑ 181↓ 1480.2%
20M
9:23/mi
2:49:05
↑ 64↓ 500.2%
21M
9:58/mi
2:59:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
3:05:22
↑ 17↓ 861.7%
23M
8:55/mi
3:16:32
↑ 23↓ 630.6%
24M
8:44/mi
3:25:16
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:32:45
↓ 200.3%
25.2M
9:49/mi
3:36:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:44:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:50
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:58:05
Pace9:00 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4324:377:5524:37
7:55
-
10K
6.21 mi11:43:5249:468:0125:09
8:06
+0:11
15K
9.32 mi12:09:121:15:068:0325:20
8:09
+0:03
20K
12.43 mi12:35:201:41:148:0926:08
8:25
+0:16
Half
13.11 mi12:40:561:46:508:095:36
8:12
-0:13
25K
15.53 mi13:01:592:07:538:1421:03
8:41
+0:29
30K
18.64 mi13:30:262:36:208:2328:27
9:09
+0:28
20M
20.00 mi13:43:112:49:058:2712:45
9:23
+0:14
21M
21.00 mi13:53:092:59:038:329:58
9:58
+0:35
35K
21.75 mi13:59:283:05:228:316:19
8:27
-1:31
23M
23.00 mi14:10:383:16:328:3311:10
8:55
+0:28
24M
24.00 mi14:19:223:25:168:338:44
8:44
-0:11
40K
24.85 mi14:26:513:32:458:347:29
8:45
+0:01
25.2M
25.20 mi14:30:143:36:088:353:23
9:49
+1:04
Finish
26.22 mi14:39:013:44:558:358:47
8:37
-1:12

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

7:55 /mi

Average Pace

8:35 /mi

Slowest Pace

9:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:42

36% of race

Time at Steady Pace

1:29:40

40% of race

Time at Slower Pace

54:33

24% of race

Average Pace: 8:35 /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 mi11:18:4324:377:5524:37
7:55
#15958
10K
6.21 mi11:43:5249:468:0125:09
8:06
#16593
15K
9.32 mi12:09:121:15:068:0325:20
8:09
#16767
20K
12.43 mi12:35:201:41:148:0926:08
8:25
#17009
Half
13.11 mi12:40:561:46:508:095:36
8:12
#17016
25K
15.53 mi13:01:592:07:538:1421:03
8:41
#17162
30K
18.64 mi13:30:262:36:208:2328:27
9:09
#17386
20M
20.00 mi13:43:112:49:058:2712:45
9:23
#17482
21M
21.00 mi13:53:092:59:038:329:58
9:58
#17526
35K
21.75 mi13:59:283:05:228:316:19
8:27
#17431
23M
23.00 mi14:10:383:16:328:3311:10
8:55
#17314
24M
24.00 mi14:19:223:25:168:338:44
8:44
#17237
40K
24.85 mi14:26:513:32:458:347:29
8:45
#17144
25.2M
25.20 mi14:30:143:36:088:353:23
9:49
#17120
Finish
26.22 mi14:39:013:44:558:358:47
8:37
#17116
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi159585124512417112(Top 60%)5798(Top 47%)5798(Top 320%)
10K6.21 mi3.10 mi16593-6355491-3675491-36717170(Top 60%)5800(Top 47%)5800(Top 320%)
15K9.32 mi3.11 mi16767-1745590-995590-9917112(Top 60%)5798(Top 47%)5798(Top 320%)
20K12.43 mi3.11 mi17009-2425744-1545744-15417633(Top 62%)6129(Top 50%)6129(Top 338%)
Half13.11 mi0.68 mi17016-75758-145758-1417364(Top 61%)5963(Top 49%)5963(Top 329%)
25K15.53 mi2.42 mi17162-1465864-1065864-10618287(Top 64%)6578(Top 54%)6578(Top 363%)
30K18.64 mi3.11 mi17386-2246051-1876051-18718450(Top 65%)6808(Top 56%)6808(Top 376%)
20M20.00 mi1.36 mi17482-966140-896140-8918677(Top 66%)7088(Top 58%)7088(Top 391%)
21M21.00 mi1.00 mi17526-446186-466186-4618179(Top 64%)6883(Top 56%)6883(Top 380%)
35K21.75 mi0.75 mi17431+956154+326154+3215165(Top 53%)5327(Top 44%)5327(Top 294%)
23M23.00 mi1.25 mi17314+1176120+346120+3415813(Top 56%)5784(Top 47%)5784(Top 319%)
24M24.00 mi1.00 mi17237+776103+176103+1715953(Top 56%)5907(Top 48%)5907(Top 326%)
40K24.85 mi0.85 mi17144+936069+346069+3414953(Top 53%)5498(Top 45%)5498(Top 303%)
25.2M25.20 mi0.35 mi17120+246067+26067+216198(Top 57%)6183(Top 51%)6183(Top 341%)
Finish26.22 mi1.02 mi17116+46081-146081-1416977(Top 60%)6545(Top 54%)6545(Top 361%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

17112

Females

5798

F45-49

5798

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

17170

Females

5800

F45-49

5800

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

17112

Females

5798

F45-49

5798

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17633

Females

6129

F45-49

6129

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17364

Females

5963

F45-49

5963

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18287

Females

6578

F45-49

6578

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18450

Females

6808

F45-49

6808

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18677

Females

7088

F45-49

7088

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18179

Females

6883

F45-49

6883

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15165

Females

5327

F45-49

5327

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

15813

Females

5784

F45-49

5784

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15953

Females

5907

F45-49

5907

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14953

Females

5498

F45-49

5498

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16198

Females

6183

F45-49

6183

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16977

Females

6545

F45-49

6545

Passing Analysis

Category:
Athletes Passed
1499
Passed By
2657
Net Change
-1158
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15958
5K → 10K129764-635#15958#16593
10K → 15K151325-174#16593#16767
15K → 20K123365-242#16767#17009
20K → Half3542-7#17009#17016
Half → 25K114260-146#17016#17162
25K → 30K151375-224#17162#17386
30K → 20M85181-96#17386#17482
20M → 21M87131-44#17482#17526
21M → 35K11419+95#17526#17431
35K → 23M17053+117#17431#17314
23M → 24M11437+77#17314#17237
24M → 40K11320+93#17237#17144
40K → 25.2M4420+24#17144#17120
25.2M → Finish6965+4#17120#17116
TOTALS14992657-1158
📊

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