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BOSTON MARATHON 2024

John Thornburg

Bib: 29369•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M65-69)
#0 / 617
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
9:59/mi
31:02
↑ 97↓ 3451.5%
10K· 6.21 mi
11:28/mi
1:06:38
↑ 79↓ 1380.4%
15K· 9.32 mi
12:05/mi
1:44:11
↑ 67↓ 78
20K· 12.43 mi
13:02/mi
2:24:41
↑ 106↓ 860.1%
Half· 13.11 mi
11:45/mi
2:32:42
↑ 19↓ 370.5%
25K· 15.53 mi
13:44/mi
3:06:01
↑ 66↓ 880.2%
30K· 18.64 mi
15:33/mi
3:54:20
↑ 181↓ 1480.2%
20M
16:09/mi
4:16:17
↑ 64↓ 500.2%
21M
16:52/mi
4:33:09
↑ 106↓ 241.6%
35K· 21.75 mi
14:49/mi
4:44:14
↑ 17↓ 861.7%
23M
15:10/mi
5:03:13
↑ 23↓ 630.6%
24M
14:28/mi
5:17:41
↓ 821.3%
40K· 24.85 mi
14:37/mi
5:30:11
↓ 200.3%
25.2M
16:43/mi
5:35:57
↑ 13↓ 160.2%
Finish· 26.22 mi
13:36/mi
5:49:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:42
Pace11:39 /mi
2nd Half
Distance13.11 mi
Time3:17:07
Pace15:02 /mi
📊Positive Split: 29.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:3931:029:5931:02
9:59
-
10K
6.21 mi12:04:151:06:3810:4335:36
11:28
+1:29
15K
9.32 mi12:41:481:44:1111:1137:33
12:05
+0:37
20K
12.43 mi13:22:182:24:4111:3940:30
13:02
+0:57
Half
13.11 mi13:30:192:32:4211:398:01
11:45
-1:17
25K
15.53 mi14:03:383:06:0111:5833:19
13:44
+1:59
30K
18.64 mi14:51:573:54:2012:3448:19
15:33
+1:49
20M
20.00 mi15:13:544:16:1712:4921:57
16:09
+0:36
21M
21.00 mi15:30:464:33:0913:0016:52
16:52
+0:43
35K
21.75 mi15:41:514:44:1413:0411:05
14:49
-2:03
23M
23.00 mi16:00:505:03:1313:1118:59
15:10
+0:21
24M
24.00 mi16:15:185:17:4113:1414:28
14:28
-0:42
40K
24.85 mi16:27:485:30:1113:1712:30
14:37
+0:09
25.2M
25.20 mi16:33:345:35:5713:205:46
16:43
+2:06
Finish
26.22 mi16:47:265:49:4913:2113:52
13:36
-3:07

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

9:59 /mi

Average Pace

13:21 /mi

Slowest Pace

16:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:42

44% of race

Time at Steady Pace

1:44:13

30% of race

Time at Slower Pace

1:32:54

27% of race

Average Pace: 13:20 /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 mi11:28:3931:029:5931:02
9:59
#22974
10K
6.21 mi12:04:151:06:3810:4335:36
11:28
#24191
15K
9.32 mi12:41:481:44:1111:1137:33
12:05
#24495
20K
12.43 mi13:22:182:24:4111:3940:30
13:02
#24668
Half
13.11 mi13:30:192:32:4211:398:01
11:45
#24662
25K
15.53 mi14:03:383:06:0111:5833:19
13:44
#24706
30K
18.64 mi14:51:573:54:2012:3448:19
15:33
#24865
20M
20.00 mi15:13:544:16:1712:4921:57
16:09
#24944
21M
21.00 mi15:30:464:33:0913:0016:52
16:52
#24993
35K
21.75 mi15:41:514:44:1413:0411:05
14:49
#24999
23M
23.00 mi16:00:505:03:1313:1118:59
15:10
#25006
24M
24.00 mi16:15:185:17:4113:1414:28
14:28
#25021
40K
24.85 mi16:27:485:30:1113:1712:30
14:37
#25013
25.2M
25.20 mi16:33:345:35:5713:205:46
16:43
#25025
Finish
26.22 mi16:47:265:49:4913:2113:52
13:36
#25044
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi22974135521355224777(Top 97%)14294(Top 98%)14294(Top 2317%)
10K6.21 mi3.10 mi24191-121714081-52914081-52924735(Top 97%)14282(Top 98%)14282(Top 2315%)
15K9.32 mi3.11 mi24495-30414201-12014201-12024777(Top 97%)14294(Top 98%)14294(Top 2317%)
20K12.43 mi3.11 mi24668-17314263-6214263-6224882(Top 97%)14306(Top 98%)14306(Top 2319%)
Half13.11 mi0.68 mi24662+614261+214261+224373(Top 95%)14072(Top 97%)14072(Top 2281%)
25K15.53 mi2.42 mi24706-4414258+314258+324764(Top 97%)14211(Top 97%)14211(Top 2303%)
30K18.64 mi3.11 mi24865-15914303-4514303-4525202(Top 99%)14371(Top 99%)14371(Top 2329%)
20M20.00 mi1.36 mi24944-7914327-2414327-2425225(Top 99%)14374(Top 99%)14374(Top 2330%)
21M21.00 mi1.00 mi24993-4914346-1914346-1924992(Top 98%)14224(Top 98%)14224(Top 2305%)
35K21.75 mi0.75 mi24999-614340+614340+624788(Top 97%)14089(Top 97%)14089(Top 2283%)
23M23.00 mi1.25 mi25006-714341-114341-124762(Top 97%)14082(Top 97%)14082(Top 2282%)
24M24.00 mi1.00 mi25021-1514342-114342-124542(Top 96%)13908(Top 95%)13908(Top 2254%)
40K24.85 mi0.85 mi25013+814330+1214330+1224237(Top 95%)13720(Top 94%)13720(Top 2224%)
25.2M25.20 mi0.35 mi25025-1214336-614336-624506(Top 96%)13877(Top 95%)13877(Top 2249%)
Finish26.22 mi1.02 mi25044-1914343-714343-724752(Top 97%)14015(Top 96%)14015(Top 2271%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

24777

Males

14294

M65-69

14294

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

24735

Males

14282

M65-69

14282

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

24777

Males

14294

M65-69

14294

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

24882

Males

14306

M65-69

14306

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

24373

Males

14072

M65-69

14072

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

24764

Males

14211

M65-69

14211

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

25202

Males

14371

M65-69

14371

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

25225

Males

14374

M65-69

14374

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

24992

Males

14224

M65-69

14224

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

24788

Males

14089

M65-69

14089

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

24762

Males

14082

M65-69

14082

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

24542

Males

13908

M65-69

13908

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

24237

Males

13720

M65-69

13720

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

24506

Males

13877

M65-69

13877

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

24752

Males

14015

M65-69

14015

Passing Analysis

Category:
Athletes Passed
275
Passed By
2345
Net Change
-2070
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22974
5K → 10K81225-1217#22974#24191
10K → 15K34338-304#24191#24495
15K → 20K28201-173#24495#24668
20K → Half1711+6#24668#24662
Half → 25K4690-44#24662#24706
25K → 30K30189-159#24706#24865
30K → 20M1392-79#24865#24944
20M → 21M1059-49#24944#24993
21M → 35K2228-6#24993#24999
35K → 23M1825-7#24999#25006
23M → 24M1732-15#25006#25021
24M → 40K179+8#25021#25013
40K → 25.2M315-12#25013#25025
25.2M → Finish1231-19#25025#25044
TOTALS2752345-2070
📊

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