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BOSTON MARATHON 2025

Romie Llewellyn

Bib: 15003•F

FL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 20%
Division (F18-39)
#0 / 5469
Top 34%
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
7:22/mi
22:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
45:38
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:08:08
↑ 67↓ 78
20K· 12.43 mi
7:19/mi
1:30:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:35:54
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:54:18
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:19:15
↑ 181↓ 1480.2%
20M
8:15/mi
2:30:28
↑ 64↓ 500.2%
21M
8:44/mi
2:39:12
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:45:21
↑ 17↓ 861.7%
23M
8:02/mi
2:55:24
↑ 23↓ 630.6%
24M
7:52/mi
3:03:16
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:10:09
↓ 200.3%
25.2M
8:39/mi
3:13:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:32/mi
3:20:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:54
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:44:55
Pace8:00 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1322:527:2222:52
7:22
-
10K
6.21 mi11:17:5945:387:2122:46
7:20
-0:02
15K
9.32 mi11:40:291:08:087:1922:30
7:15
-0:05
20K
12.43 mi12:03:141:30:537:1922:45
7:19
+0:04
Half
13.11 mi12:08:151:35:547:195:01
7:21
+0:02
25K
15.53 mi12:26:391:54:187:2118:24
7:35
+0:14
30K
18.64 mi12:51:362:19:157:2824:57
8:02
+0:27
20M
20.00 mi13:02:492:30:287:3111:13
8:15
+0:13
21M
21.00 mi13:11:332:39:127:358:44
8:44
+0:29
35K
21.75 mi13:17:422:45:217:366:09
8:13
-0:31
23M
23.00 mi13:27:452:55:247:3810:03
8:02
-0:11
24M
24.00 mi13:35:373:03:167:387:52
7:52
-0:10
40K
24.85 mi13:42:303:10:097:396:53
8:03
+0:11
25.2M
25.20 mi13:45:293:13:087:402:59
8:39
+0:36
Finish
26.22 mi13:53:103:20:497:407:41
7:32
-1:07

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

7:15 /mi

Average Pace

7:40 /mi

Slowest Pace

8:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:59

61% of race

Time at Steady Pace

49:45

25% of race

Time at Slower Pace

29:05

14% of race

Average Pace: 7:40 /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 mi10:55:1322:527:2222:52
7:22
#10964
10K
6.21 mi11:17:5945:387:2122:46
7:20
#10726
15K
9.32 mi11:40:291:08:087:1922:30
7:15
#10304
20K
12.43 mi12:03:141:30:537:1922:45
7:19
#9990
Half
13.11 mi12:08:151:35:547:195:01
7:21
#10012
25K
15.53 mi12:26:391:54:187:2118:24
7:35
#10084
30K
18.64 mi12:51:362:19:157:2824:57
8:02
#10314
20M
20.00 mi13:02:492:30:287:3111:13
8:15
#10450
21M
21.00 mi13:11:332:39:127:358:44
8:44
#10531
35K
21.75 mi13:17:422:45:217:366:09
8:13
#10640
23M
23.00 mi13:27:452:55:247:3810:03
8:02
#10564
24M
24.00 mi13:35:373:03:167:387:52
7:52
#10524
40K
24.85 mi13:42:303:10:097:396:53
8:03
#10488
25.2M
25.20 mi13:45:293:13:087:402:59
8:39
#10460
Finish
26.22 mi13:53:103:20:497:407:41
7:32
#10389
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10964226722679501(Top 33%)1653(Top 14%)1653(Top 30%)
10K6.21 mi3.10 mi10726+2382171+962171+9610578(Top 37%)2099(Top 17%)2099(Top 38%)
15K9.32 mi3.11 mi10304+4221977+1941977+1949501(Top 33%)1653(Top 14%)1653(Top 30%)
20K12.43 mi3.11 mi9990+3141864+1131864+1139243(Top 33%)1630(Top 13%)1630(Top 30%)
Half13.11 mi0.68 mi10012-221881-171881-1710547(Top 37%)2212(Top 18%)2212(Top 40%)
25K15.53 mi2.42 mi10084-721952-711952-7110694(Top 38%)2425(Top 20%)2425(Top 44%)
30K18.64 mi3.11 mi10314-2302109-1572109-15711616(Top 41%)3100(Top 25%)3100(Top 57%)
20M20.00 mi1.36 mi10450-1362222-1132222-11312180(Top 43%)3530(Top 29%)3530(Top 65%)
21M21.00 mi1.00 mi10531-812309-872309-8711890(Top 42%)3527(Top 29%)3527(Top 64%)
35K21.75 mi0.75 mi10640-1092381-722381-7213765(Top 48%)4545(Top 37%)4545(Top 83%)
23M23.00 mi1.25 mi10564+762381238110232(Top 36%)2850(Top 23%)2850(Top 52%)
24M24.00 mi1.00 mi10524+402400-192400-1910340(Top 36%)2962(Top 24%)2962(Top 54%)
40K24.85 mi0.85 mi10488+362407-72407-710575(Top 37%)3199(Top 26%)3199(Top 58%)
25.2M25.20 mi0.35 mi10460+282415-82415-89763(Top 34%)2889(Top 24%)2889(Top 53%)
Finish26.22 mi1.02 mi10389+712413+22413+29509(Top 33%)2764(Top 23%)2764(Top 51%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9501

Females

1653

F18-39

1653

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10578

Females

2099

F18-39

2099

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9501

Females

1653

F18-39

1653

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

9243

Females

1630

F18-39

1630

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

10547

Females

2212

F18-39

2212

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10694

Females

2425

F18-39

2425

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11616

Females

3100

F18-39

3100

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12180

Females

3530

F18-39

3530

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11890

Females

3527

F18-39

3527

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13765

Females

4545

F18-39

4545

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10232

Females

2850

F18-39

2850

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10340

Females

2962

F18-39

2962

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10575

Females

3199

F18-39

3199

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9763

Females

2889

F18-39

2889

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9509

Females

2764

F18-39

2764

Passing Analysis

Category:
Athletes Passed
2189
Passed By
1611
Net Change
+575
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10964
5K → 10K400162+238#10964#10726
10K → 15K44119+422#10726#10304
15K → 20K36046+314#10304#9990
20K → Half2041-22#9990#10012
Half → 25K126197-72#10012#10084
25K → 30K167396-230#10084#10314
30K → 20M78214-136#10314#10450
20M → 21M84165-81#10450#10531
21M → 35K30139-109#10531#10640
35K → 23M13559+76#10640#10564
23M → 24M10262+40#10564#10524
24M → 40K7741+36#10524#10488
40K → 25.2M5426+28#10488#10460
25.2M → Finish11544+71#10460#10389
TOTALS21891611+575
📊

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