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BOSTON MARATHON 2025

Casey Conlon

Bib: 4854•M

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 44%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
6:36/mi
20:31
↑ 97↓ 3451.5%
10K· 6.21 mi
6:40/mi
41:14
↑ 79↓ 1380.4%
15K· 9.32 mi
6:40/mi
1:01:56
↑ 67↓ 78
20K· 12.43 mi
6:55/mi
1:23:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:28:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:21/mi
1:46:04
↑ 66↓ 880.2%
30K· 18.64 mi
7:54/mi
2:10:38
↑ 181↓ 1480.2%
20M
8:16/mi
2:21:52
↑ 64↓ 500.2%
21M
8:50/mi
2:30:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
2:37:10
↑ 17↓ 861.7%
23M
9:35/mi
2:49:10
↑ 23↓ 630.6%
24M
10:20/mi
2:59:30
↓ 821.3%
40K· 24.85 mi
12:06/mi
3:09:51
↓ 200.3%
25.2M
14:42/mi
3:14:55
↑ 13↓ 160.2%
Finish· 26.22 mi
12:33/mi
3:27:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:14
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:59:28
Pace9:07 /mi
📊Positive Split: 35.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3220:316:3620:31
6:36
-
10K
6.21 mi10:45:1541:146:3820:43
6:40
+0:04
15K
9.32 mi11:05:571:01:566:3920:42
6:40
0:00
20K
12.43 mi11:27:251:23:246:4321:28
6:55
+0:15
Half
13.11 mi11:32:151:28:146:444:50
7:05
+0:10
25K
15.53 mi11:50:051:46:046:5017:50
7:21
+0:16
30K
18.64 mi12:14:392:10:387:0024:34
7:54
+0:33
20M
20.00 mi12:25:532:21:527:0611:14
8:16
+0:22
21M
21.00 mi12:34:432:30:427:118:50
8:50
+0:34
35K
21.75 mi12:41:112:37:107:146:28
8:39
-0:11
23M
23.00 mi12:53:112:49:107:2112:00
9:35
+0:56
24M
24.00 mi13:03:312:59:307:2910:20
10:20
+0:45
40K
24.85 mi13:13:523:09:517:3810:21
12:06
+1:46
25.2M
25.20 mi13:18:563:14:557:445:04
14:42
+2:36
Finish
26.22 mi13:31:433:27:427:5612:47
12:33
-2:09

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

6:36 /mi

Average Pace

7:56 /mi

Slowest Pace

14:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:24

40% of race

Time at Steady Pace

1:13:46

36% of race

Time at Slower Pace

50:32

24% of race

Average Pace: 7:55 /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 mi10:24:3220:316:3620:31
6:36
#4650
10K
6.21 mi10:45:1541:146:3820:43
6:40
#4794
15K
9.32 mi11:05:571:01:566:3920:42
6:40
#4763
20K
12.43 mi11:27:251:23:246:4321:28
6:55
#5094
Half
13.11 mi11:32:151:28:146:444:50
7:05
#5285
25K
15.53 mi11:50:051:46:046:5017:50
7:21
#5964
30K
18.64 mi12:14:392:10:387:0024:34
7:54
#6726
20M
20.00 mi12:25:532:21:527:0611:14
8:16
#7028
21M
21.00 mi12:34:432:30:427:118:50
8:50
#7237
35K
21.75 mi12:41:112:37:107:146:28
8:39
#7504
23M
23.00 mi12:53:112:49:107:2112:00
9:35
#8262
24M
24.00 mi13:03:312:59:307:2910:20
10:20
#9218
40K
24.85 mi13:13:523:09:517:3810:21
12:06
#10393
25.2M
25.20 mi13:18:563:14:557:445:04
14:42
#10990
Finish
26.22 mi13:31:433:27:427:5612:47
12:33
#12496
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4650436243624775(Top 17%)4459(Top 28%)4459(Top 79%)
10K6.21 mi3.10 mi4794-1444485-1234485-1235067(Top 18%)4724(Top 29%)4724(Top 84%)
15K9.32 mi3.11 mi4763+314454+314454+314775(Top 17%)4459(Top 28%)4459(Top 79%)
20K12.43 mi3.11 mi5094-3314733-2794733-2796285(Top 22%)5657(Top 35%)5657(Top 100%)
Half13.11 mi0.68 mi5285-1914892-1594892-1598195(Top 29%)7034(Top 44%)7034(Top 125%)
25K15.53 mi2.42 mi5964-6795428-5365428-5368787(Top 31%)7222(Top 45%)7222(Top 128%)
30K18.64 mi3.11 mi6726-7626002-5746002-57410693(Top 38%)8027(Top 50%)8027(Top 142%)
20M20.00 mi1.36 mi7028-3026199-1976199-19712248(Top 43%)8645(Top 54%)8645(Top 153%)
21M21.00 mi1.00 mi7237-2096315-1166315-11612483(Top 44%)8601(Top 53%)8601(Top 152%)
35K21.75 mi0.75 mi7504-2676462-1476462-14716273(Top 57%)10282(Top 64%)10282(Top 182%)
23M23.00 mi1.25 mi8262-7586908-4466908-44619006(Top 67%)11436(Top 71%)11436(Top 203%)
24M24.00 mi1.00 mi9218-9567433-5257433-52522324(Top 79%)12958(Top 80%)12958(Top 230%)
40K24.85 mi0.85 mi10393-11758004-5718004-57125076(Top 88%)14301(Top 89%)14301(Top 253%)
25.2M25.20 mi0.35 mi10990-5978257-2538257-25326886(Top 95%)15206(Top 94%)15206(Top 270%)
Finish26.22 mi1.02 mi12496-15068962-7058962-70527324(Top 96%)15471(Top 96%)15471(Top 274%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4775

Males

4459

M18-39

4459

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

5067

Males

4724

M18-39

4724

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4775

Males

4459

M18-39

4459

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

6285

Males

5657

M18-39

5657

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8195

Males

7034

M18-39

7034

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8787

Males

7222

M18-39

7222

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10693

Males

8027

M18-39

8027

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12248

Males

8645

M18-39

8645

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12483

Males

8601

M18-39

8601

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16273

Males

10282

M18-39

10282

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

19006

Males

11436

M18-39

11436

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22324

Males

12958

M18-39

12958

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

25076

Males

14301

M18-39

14301

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

26886

Males

15206

M18-39

15206

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

27324

Males

15471

M18-39

15471

Passing Analysis

Category:
Athletes Passed
477
Passed By
8321
Net Change
-7846
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4650
5K → 10K110254-144#4650#4794
10K → 15K134103+31#4794#4763
15K → 20K55386-331#4763#5094
20K → Half3194-191#5094#5285
Half → 25K23702-679#5285#5964
25K → 30K49811-762#5964#6726
30K → 20M36338-302#6726#7028
20M → 21M34243-209#7028#7237
21M → 35K11278-267#7237#7504
35K → 23M15773-758#7504#8262
23M → 24M4960-956#8262#9218
24M → 40K11174-1175#9218#10393
40K → 25.2M1598-597#10393#10990
25.2M → Finish11507-1506#10990#12496
TOTALS4778321-7846
📊

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