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BOSTON MARATHON 2025

Alana Ranson

Bib: 31537•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
9:55/mi
30:49
↑ 97↓ 3451.5%
10K· 6.21 mi
9:58/mi
1:01:46
↑ 79↓ 1380.4%
15K· 9.32 mi
9:54/mi
1:32:31
↑ 67↓ 78
20K· 12.43 mi
10:02/mi
2:03:40
↑ 106↓ 860.1%
Half· 13.11 mi
10:02/mi
2:10:31
↑ 19↓ 370.5%
25K· 15.53 mi
10:29/mi
2:35:55
↑ 66↓ 880.2%
30K· 18.64 mi
11:07/mi
3:10:26
↑ 181↓ 1480.2%
20M
10:42/mi
3:24:59
↑ 64↓ 500.2%
21M
11:52/mi
3:36:51
↑ 106↓ 241.6%
35K· 21.75 mi
10:22/mi
3:44:36
↑ 17↓ 861.7%
23M
11:02/mi
3:58:25
↑ 23↓ 630.6%
24M
10:32/mi
4:08:57
↓ 821.3%
40K· 24.85 mi
11:01/mi
4:18:22
↓ 200.3%
25.2M
12:51/mi
4:22:48
↑ 13↓ 160.2%
Finish· 26.22 mi
10:11/mi
4:33:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:31
Pace9:57 /mi
2nd Half
Distance13.11 mi
Time2:22:40
Pace10:53 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4530:499:5530:49
9:55
-
10K
6.21 mi12:23:421:01:469:5630:57
9:58
+0:03
15K
9.32 mi12:54:271:32:319:5630:45
9:54
-0:04
20K
12.43 mi13:25:362:03:409:5731:09
10:02
+0:08
Half
13.11 mi13:32:272:10:319:576:51
10:02
0:00
25K
15.53 mi13:57:512:35:5510:0225:24
10:29
+0:27
30K
18.64 mi14:32:223:10:2610:1334:31
11:07
+0:38
20M
20.00 mi14:46:553:24:5910:1514:33
10:42
-0:25
21M
21.00 mi14:58:473:36:5110:2011:52
11:52
+1:10
35K
21.75 mi15:06:323:44:3610:207:45
10:22
-1:30
23M
23.00 mi15:20:213:58:2510:2213:49
11:02
+0:40
24M
24.00 mi15:30:534:08:5710:2210:32
10:32
-0:30
40K
24.85 mi15:40:184:18:2210:249:25
11:01
+0:29
25.2M
25.20 mi15:44:444:22:4810:264:26
12:51
+1:50
Finish
26.22 mi15:55:074:33:1110:2610:23
10:11
-2:40

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

9:54 /mi

Average Pace

10:26 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:31

48% of race

Time at Steady Pace

1:08:37

25% of race

Time at Slower Pace

1:14:03

27% of race

Average Pace: 10:25 /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 mi11:52:4530:499:5530:49
9:55
#25404
10K
6.21 mi12:23:421:01:469:5630:57
9:58
#25288
15K
9.32 mi12:54:271:32:319:5630:45
9:54
#25113
20K
12.43 mi13:25:362:03:409:5731:09
10:02
#24895
Half
13.11 mi13:32:272:10:319:576:51
10:02
#24887
25K
15.53 mi13:57:512:35:5510:0225:24
10:29
#24794
30K
18.64 mi14:32:223:10:2610:1334:31
11:07
#24686
20M
20.00 mi14:46:553:24:5910:1514:33
10:42
#24586
21M
21.00 mi14:58:473:36:5110:2011:52
11:52
#24517
35K
21.75 mi15:06:323:44:3610:207:45
10:22
#24471
23M
23.00 mi15:20:213:58:2510:2213:49
11:02
#24417
24M
24.00 mi15:30:534:08:5710:2210:32
10:32
#24341
40K
24.85 mi15:40:184:18:2210:249:25
11:01
#24310
25.2M
25.20 mi15:44:444:22:4810:264:26
12:51
#24312
Finish
26.22 mi15:55:074:33:1110:2610:23
10:11
#24295
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25404104291042924778(Top 87%)10096(Top 83%)10096(Top 185%)
10K6.21 mi3.10 mi25288+11610389+4010389+4025227(Top 89%)10357(Top 85%)10357(Top 189%)
15K9.32 mi3.11 mi25113+17510285+10410285+10424778(Top 87%)10096(Top 83%)10096(Top 185%)
20K12.43 mi3.11 mi24895+21810178+10710178+10724280(Top 85%)9868(Top 81%)9868(Top 180%)
Half13.11 mi0.68 mi24887+810177+110177+124912(Top 88%)10220(Top 84%)10220(Top 187%)
25K15.53 mi2.42 mi24794+9310144+3310144+3324348(Top 86%)9934(Top 81%)9934(Top 182%)
30K18.64 mi3.11 mi24686+10810106+3810106+3824214(Top 85%)9978(Top 82%)9978(Top 182%)
20M20.00 mi1.36 mi24586+10010064+4210064+4222979(Top 81%)9414(Top 77%)9414(Top 172%)
21M21.00 mi1.00 mi24517+6910042+2210042+2223364(Top 82%)9692(Top 79%)9692(Top 177%)
35K21.75 mi0.75 mi24471+4610028+1410028+1422874(Top 81%)9487(Top 78%)9487(Top 173%)
23M23.00 mi1.25 mi24417+5410015+1310015+1323323(Top 82%)9775(Top 80%)9775(Top 179%)
24M24.00 mi1.00 mi24341+769983+329983+3222934(Top 81%)9606(Top 79%)9606(Top 176%)
40K24.85 mi0.85 mi24310+319975+89975+823196(Top 82%)9810(Top 80%)9810(Top 179%)
25.2M25.20 mi0.35 mi24312-29988-139988-1324856(Top 88%)10605(Top 87%)10605(Top 194%)
Finish26.22 mi1.02 mi24295+179992-49992-423508(Top 83%)9930(Top 81%)9930(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24778

Females

10096

F18-39

10096

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25227

Females

10357

F18-39

10357

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24778

Females

10096

F18-39

10096

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24280

Females

9868

F18-39

9868

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

24912

Females

10220

F18-39

10220

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24348

Females

9934

F18-39

9934

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24214

Females

9978

F18-39

9978

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

22979

Females

9414

F18-39

9414

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23364

Females

9692

F18-39

9692

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

22874

Females

9487

F18-39

9487

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23323

Females

9775

F18-39

9775

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

22934

Females

9606

F18-39

9606

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23196

Females

9810

F18-39

9810

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

24856

Females

10605

F18-39

10605

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23508

Females

9930

F18-39

9930

Passing Analysis

Category:
Athletes Passed
1646
Passed By
537
Net Change
+1109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25404
5K → 10K239123+116#25404#25288
10K → 15K23762+175#25288#25113
15K → 20K25638+218#25113#24895
20K → Half3426+8#24895#24887
Half → 25K14653+93#24887#24794
25K → 30K18779+108#24794#24686
30K → 20M11313+100#24686#24586
20M → 21M8920+69#24586#24517
21M → 35K548+46#24517#24471
35K → 23M8935+54#24471#24417
23M → 24M9014+76#24417#24341
24M → 40K5120+31#24341#24310
40K → 25.2M1719-2#24310#24312
25.2M → Finish4427+17#24312#24295
TOTALS1646537+1109
📊

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