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BOSTON MARATHON 2025

Kendall Reardon

Bib: 26921•F

MA

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
9:57/mi
30:56
↑ 97↓ 3451.5%
10K· 6.21 mi
9:00/mi
58:55
↑ 79↓ 1380.4%
15K· 9.32 mi
9:31/mi
1:28:28
↑ 67↓ 78
20K· 12.43 mi
9:42/mi
1:58:35
↑ 106↓ 860.1%
Half· 13.11 mi
9:21/mi
2:04:58
↑ 19↓ 370.5%
25K· 15.53 mi
9:36/mi
2:28:15
↑ 66↓ 880.2%
30K· 18.64 mi
9:50/mi
2:58:49
↑ 181↓ 1480.2%
20M
10:32/mi
3:13:08
↑ 64↓ 500.2%
21M
10:48/mi
3:23:56
↑ 106↓ 241.6%
35K· 21.75 mi
9:13/mi
3:30:50
↑ 17↓ 861.7%
23M
9:54/mi
3:43:14
↑ 23↓ 630.6%
24M
10:01/mi
3:53:15
↓ 821.3%
40K· 24.85 mi
10:11/mi
4:01:57
↓ 200.3%
25.2M
10:38/mi
4:05:37
↑ 13↓ 160.2%
Finish· 26.22 mi
9:07/mi
4:14:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:58
Pace9:32 /mi
2nd Half
Distance13.11 mi
Time2:09:56
Pace9:55 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1230:569:5730:56
9:57
-
10K
6.21 mi12:15:1158:559:2927:59
9:00
-0:57
15K
9.32 mi12:44:441:28:289:2929:33
9:31
+0:31
20K
12.43 mi13:14:511:58:359:3330:07
9:42
+0:11
Half
13.11 mi13:21:142:04:589:326:23
9:21
-0:21
25K
15.53 mi13:44:312:28:159:3323:17
9:36
+0:15
30K
18.64 mi14:15:052:58:499:3630:34
9:50
+0:14
20M
20.00 mi14:29:243:13:089:3914:19
10:32
+0:42
21M
21.00 mi14:40:123:23:569:4310:48
10:48
+0:16
35K
21.75 mi14:47:063:30:509:426:54
9:13
-1:35
23M
23.00 mi14:59:303:43:149:4212:24
9:54
+0:41
24M
24.00 mi15:09:313:53:159:4310:01
10:01
+0:07
40K
24.85 mi15:18:134:01:579:448:42
10:11
+0:10
25.2M
25.20 mi15:21:534:05:379:453:40
10:38
+0:27
Finish
26.22 mi15:31:104:14:549:449:17
9:07
-1:31

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

9:00 /mi

Average Pace

9:44 /mi

Slowest Pace

10:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:04

64% of race

Time at Steady Pace

1:16:22

30% of race

Time at Slower Pace

14:28

6% of race

Average Pace: 9:43 /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 mi11:47:1230:569:5730:56
9:57
#25481
10K
6.21 mi12:15:1158:559:2927:59
9:00
#24132
15K
9.32 mi12:44:441:28:289:2929:33
9:31
#24011
20K
12.43 mi13:14:511:58:359:3330:07
9:42
#23858
Half
13.11 mi13:21:142:04:589:326:23
9:21
#23825
25K
15.53 mi13:44:312:28:159:3323:17
9:36
#23539
30K
18.64 mi14:15:052:58:499:3630:34
9:50
#23070
20M
20.00 mi14:29:243:13:089:3914:19
10:32
#23016
21M
21.00 mi14:40:123:23:569:4310:48
10:48
#22898
35K
21.75 mi14:47:063:30:509:426:54
9:13
#22782
23M
23.00 mi14:59:303:43:149:4212:24
9:54
#22615
24M
24.00 mi15:09:313:53:159:4310:01
10:01
#22541
40K
24.85 mi15:18:134:01:579:448:42
10:11
#22475
25.2M
25.20 mi15:21:534:05:379:453:40
10:38
#22436
Finish
26.22 mi15:31:104:14:549:449:17
9:07
#22343
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25481104681046823779(Top 84%)9529(Top 78%)9529(Top 174%)
10K6.21 mi3.10 mi24132+13499754+7149754+71422421(Top 79%)8827(Top 72%)8827(Top 161%)
15K9.32 mi3.11 mi24011+1219681+739681+7323779(Top 84%)9529(Top 78%)9529(Top 174%)
20K12.43 mi3.11 mi23858+1539618+639618+6323468(Top 83%)9404(Top 77%)9404(Top 172%)
Half13.11 mi0.68 mi23825+339595+239595+2323146(Top 81%)9229(Top 75%)9229(Top 169%)
25K15.53 mi2.42 mi23539+2869442+1539442+15322202(Top 78%)8762(Top 72%)8762(Top 160%)
30K18.64 mi3.11 mi23070+4699225+2179225+21721128(Top 74%)8299(Top 68%)8299(Top 152%)
20M20.00 mi1.36 mi23016+549221+49221+422541(Top 79%)9179(Top 75%)9179(Top 168%)
21M21.00 mi1.00 mi22898+1189173+489173+4820856(Top 73%)8380(Top 69%)8380(Top 153%)
35K21.75 mi0.75 mi22782+1169122+519122+5119313(Top 68%)7622(Top 62%)7622(Top 139%)
23M23.00 mi1.25 mi22615+1679054+689054+6820193(Top 71%)8154(Top 67%)8154(Top 149%)
24M24.00 mi1.00 mi22541+749038+169038+1621433(Top 75%)8828(Top 72%)8828(Top 161%)
40K24.85 mi0.85 mi22475+669016+229016+2221025(Top 74%)8683(Top 71%)8683(Top 159%)
25.2M25.20 mi0.35 mi22436+399006+109006+1019559(Top 69%)7946(Top 65%)7946(Top 145%)
Finish26.22 mi1.02 mi22343+938973+338973+3319581(Top 69%)7918(Top 65%)7918(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23779

Females

9529

F18-39

9529

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22421

Females

8827

F18-39

8827

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23779

Females

9529

F18-39

9529

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23468

Females

9404

F18-39

9404

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

23146

Females

9229

F18-39

9229

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22202

Females

8762

F18-39

8762

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

21128

Females

8299

F18-39

8299

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22541

Females

9179

F18-39

9179

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20856

Females

8380

F18-39

8380

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19313

Females

7622

F18-39

7622

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20193

Females

8154

F18-39

8154

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21433

Females

8828

F18-39

8828

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21025

Females

8683

F18-39

8683

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19559

Females

7946

F18-39

7946

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19581

Females

7918

F18-39

7918

Passing Analysis

Category:
Athletes Passed
3441
Passed By
303
Net Change
+3138
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25481
5K → 10K13512+1349#25481#24132
10K → 15K21089+121#24132#24011
15K → 20K21764+153#24011#23858
20K → Half429+33#23858#23825
Half → 25K29711+286#23825#23539
25K → 30K48819+469#23539#23070
30K → 20M9642+54#23070#23016
20M → 21M13517+118#23016#22898
21M → 35K1193+116#22898#22782
35K → 23M1758+167#22782#22615
23M → 24M8814+74#22615#22541
24M → 40K8317+66#22541#22475
40K → 25.2M401+39#22475#22436
25.2M → Finish1007+93#22436#22343
TOTALS3441303+3138
📊

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