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BOSTON MARATHON 2024

Nathan Bailey

Bib: 10121•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 35%
Gender (Male)
#0 / 14578
Top 46%
Masters (Masters Men)
#0 / 9729
Top 36%
Division (M50-54)
#0 / 1935
Top 37%
Race Day Weather
55°/45°F
scattered 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
7:00/mi
21:45
↑ 97↓ 3451.5%
10K· 6.21 mi
6:58/mi
43:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:08:17
↑ 67↓ 78
20K· 12.43 mi
8:27/mi
1:34:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:39:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
1:59:00
↑ 66↓ 880.2%
30K· 18.64 mi
8:12/mi
2:24:29
↑ 181↓ 1480.2%
20M
8:26/mi
2:35:57
↑ 64↓ 500.2%
21M
8:43/mi
2:44:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:50:41
↑ 17↓ 861.7%
23M
8:39/mi
3:01:31
↑ 23↓ 630.6%
24M
8:34/mi
3:10:05
↓ 821.3%
40K· 24.85 mi
7:56/mi
3:16:52
↓ 200.3%
25.2M
8:59/mi
3:19:58
↑ 13↓ 160.2%
Finish· 26.22 mi
7:41/mi
3:27:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:48
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:48:00
Pace8:14 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2921:457:0021:45
7:00
-
10K
6.21 mi11:10:0943:256:5921:40
6:58
-0:02
15K
9.32 mi11:35:011:08:177:2024:52
8:00
+1:02
20K
12.43 mi12:01:151:34:317:3626:14
8:27
+0:27
Half
13.11 mi12:06:321:39:487:375:17
7:45
-0:42
25K
15.53 mi12:25:441:59:007:4019:12
7:55
+0:10
30K
18.64 mi12:51:132:24:297:4525:29
8:12
+0:17
20M
20.00 mi13:02:412:35:577:4811:28
8:26
+0:14
21M
21.00 mi13:11:242:44:407:508:43
8:43
+0:17
35K
21.75 mi13:17:252:50:417:516:01
8:03
-0:40
23M
23.00 mi13:28:153:01:317:5410:50
8:39
+0:36
24M
24.00 mi13:36:493:10:057:558:34
8:34
-0:05
40K
24.85 mi13:43:363:16:527:556:47
7:56
-0:38
25.2M
25.20 mi13:46:423:19:587:563:06
8:59
+1:03
Finish
26.22 mi13:54:323:27:487:567:50
7:41
-1:18

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

6:58 /mi

Average Pace

7:56 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:32

27% of race

Time at Steady Pace

1:22:21

40% of race

Time at Slower Pace

1:08:55

33% of race

Average Pace: 7:56 /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 mi10:48:2921:457:0021:45
7:00
#7049
10K
6.21 mi11:10:0943:256:5921:40
6:58
#6761
15K
9.32 mi11:35:011:08:177:2024:52
8:00
#8811
20K
12.43 mi12:01:151:34:317:3626:14
8:27
#10431
Half
13.11 mi12:06:321:39:487:375:17
7:45
#10432
25K
15.53 mi12:25:441:59:007:4019:12
7:55
#10224
30K
18.64 mi12:51:132:24:297:4525:29
8:12
#9906
20M
20.00 mi13:02:412:35:577:4811:28
8:26
#9760
21M
21.00 mi13:11:242:44:407:508:43
8:43
#9506
35K
21.75 mi13:17:252:50:417:516:01
8:03
#9404
23M
23.00 mi13:28:153:01:317:5410:50
8:39
#9337
24M
24.00 mi13:36:493:10:057:558:34
8:34
#9341
40K
24.85 mi13:43:363:16:527:556:47
7:56
#9140
25.2M
25.20 mi13:46:423:19:587:563:06
8:59
#9068
Finish
26.22 mi13:54:323:27:487:567:50
7:41
#8929
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi70496211621113466(Top 53%)9369(Top 64%)9369(Top 484%)
10K6.21 mi3.10 mi6761+2885979+2325979+2326490(Top 25%)5757(Top 39%)5757(Top 298%)
15K9.32 mi3.11 mi8811-20507235-12567235-125613466(Top 53%)9369(Top 64%)9369(Top 484%)
20K12.43 mi3.11 mi10431-16208031-7968031-79614494(Top 57%)9745(Top 67%)9745(Top 504%)
Half13.11 mi0.68 mi10432-18023+88023+810844(Top 42%)8085(Top 55%)8085(Top 418%)
25K15.53 mi2.42 mi10224+2087874+1497874+1499645(Top 38%)7312(Top 50%)7312(Top 378%)
30K18.64 mi3.11 mi9906+3187611+2637611+2639011(Top 35%)6769(Top 46%)6769(Top 350%)
20M20.00 mi1.36 mi9760+1467489+1227489+1229089(Top 36%)6572(Top 45%)6572(Top 340%)
21M21.00 mi1.00 mi9506+2547298+1917298+1917225(Top 28%)5389(Top 37%)5389(Top 279%)
35K21.75 mi0.75 mi9404+1027213+857213+858039(Top 31%)5779(Top 40%)5779(Top 299%)
23M23.00 mi1.25 mi9337+677112+1017112+1019278(Top 36%)6233(Top 43%)6233(Top 322%)
24M24.00 mi1.00 mi9341-47072+407072+409828(Top 38%)6454(Top 44%)6454(Top 334%)
40K24.85 mi0.85 mi9140+2016924+1486924+1485478(Top 21%)4061(Top 28%)4061(Top 210%)
25.2M25.20 mi0.35 mi9068+726865+596865+596506(Top 25%)4561(Top 31%)4561(Top 236%)
Finish26.22 mi1.02 mi8929+1396749+1166749+1166652(Top 26%)4683(Top 32%)4683(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

13466

Males

9369

M50-54

9369

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6490

Males

5757

M50-54

5757

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

13466

Males

9369

M50-54

9369

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

14494

Males

9745

M50-54

9745

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

10844

Males

8085

M50-54

8085

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

9645

Males

7312

M50-54

7312

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9011

Males

6769

M50-54

6769

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9089

Males

6572

M50-54

6572

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7225

Males

5389

M50-54

5389

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8039

Males

5779

M50-54

5779

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9278

Males

6233

M50-54

6233

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

9828

Males

6454

M50-54

6454

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5478

Males

4061

M50-54

4061

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6506

Males

4561

M50-54

4561

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6652

Males

4683

M50-54

4683

Passing Analysis

Category:
Athletes Passed
2500
Passed By
4377
Net Change
-1880
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7049
5K → 10K35971+288#7049#6761
10K → 15K62056-2050#6761#8811
15K → 20K251643-1620#8811#10431
20K → Half3940-1#10431#10432
Half → 25K29789+208#10432#10224
25K → 30K436118+318#10224#9906
30K → 20M21871+146#9906#9760
20M → 21M27117+254#9760#9506
21M → 35K12523+102#9506#9404
35K → 23M180113+67#9404#9337
23M → 24M9094-4#9337#9341
24M → 40K21110+201#9341#9140
40K → 25.2M808+72#9140#9068
25.2M → Finish16324+139#9068#8929
TOTALS25004377-1880
📊

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