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BOSTON MARATHON 2024

John Prindiville

Bib: 25939•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M45-49)
#0 / 2218
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
10:25/mi
32:22
↑ 97↓ 3451.5%
10K· 6.21 mi
10:13/mi
1:04:06
↑ 79↓ 1380.4%
15K· 9.32 mi
10:36/mi
1:37:02
↑ 67↓ 78
20K· 12.43 mi
11:32/mi
2:12:52
↑ 106↓ 860.1%
Half· 13.11 mi
11:07/mi
2:20:27
↑ 19↓ 370.5%
25K· 15.53 mi
12:22/mi
2:50:27
↑ 66↓ 880.2%
30K· 18.64 mi
13:29/mi
3:32:21
↑ 181↓ 1480.2%
20M
14:39/mi
3:52:15
↑ 64↓ 500.2%
21M
17:40/mi
4:09:55
↑ 106↓ 241.6%
35K· 21.75 mi
18:04/mi
4:23:26
↑ 17↓ 861.7%
23M
17:17/mi
4:45:05
↑ 23↓ 630.6%
24M
16:27/mi
5:01:32
↓ 821.3%
40K· 24.85 mi
18:15/mi
5:17:08
↓ 200.3%
25.2M
18:48/mi
5:23:37
↑ 13↓ 160.2%
Finish· 26.22 mi
13:24/mi
5:37:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:27
Pace10:43 /mi
2nd Half
Distance13.11 mi
Time3:16:49
Pace15:01 /mi
📊Positive Split: 40.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1732:2210:2532:22
10:25
-
10K
6.21 mi12:20:011:04:0610:1931:44
10:13
-0:12
15K
9.32 mi12:52:571:37:0210:2532:56
10:36
+0:23
20K
12.43 mi13:28:472:12:5210:4135:50
11:32
+0:56
Half
13.11 mi13:36:222:20:2710:437:35
11:07
-0:25
25K
15.53 mi14:06:222:50:2710:5830:00
12:22
+1:15
30K
18.64 mi14:48:163:32:2111:2341:54
13:29
+1:07
20M
20.00 mi15:08:103:52:1511:3719:54
14:39
+1:10
21M
21.00 mi15:25:504:09:5511:5417:40
17:40
+3:01
35K
21.75 mi15:39:214:23:2612:0713:31
18:04
+0:24
23M
23.00 mi16:01:004:45:0512:2421:39
17:17
-0:47
24M
24.00 mi16:17:275:01:3212:3416:27
16:27
-0:50
40K
24.85 mi16:33:035:17:0812:4615:36
18:15
+1:48
25.2M
25.20 mi16:39:325:23:3712:516:29
18:48
+0:33
Finish
26.22 mi16:53:115:37:1612:5213:39
13:24
-5:24

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

10:13 /mi

Average Pace

12:52 /mi

Slowest Pace

18:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:27

42% of race

Time at Steady Pace

1:45:27

31% of race

Time at Slower Pace

1:31:22

27% of race

Average Pace: 12:52 /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 mi11:48:1732:2210:2532:22
10:25
#23928
10K
6.21 mi12:20:011:04:0610:1931:44
10:13
#23410
15K
9.32 mi12:52:571:37:0210:2532:56
10:36
#23319
20K
12.43 mi13:28:472:12:5210:4135:50
11:32
#23407
Half
13.11 mi13:36:222:20:2710:437:35
11:07
#23436
25K
15.53 mi14:06:222:50:2710:5830:00
12:22
#23511
30K
18.64 mi14:48:163:32:2111:2341:54
13:29
#23606
20M
20.00 mi15:08:103:52:1511:3719:54
14:39
#23715
21M
21.00 mi15:25:504:09:5511:5417:40
17:40
#23861
35K
21.75 mi15:39:214:23:2612:0713:31
18:04
#24028
23M
23.00 mi16:01:004:45:0512:2421:39
17:17
#24257
24M
24.00 mi16:17:275:01:3212:3416:27
16:27
#24384
40K
24.85 mi16:33:035:17:0812:4615:36
18:15
#24539
25.2M
25.20 mi16:39:325:23:3712:516:29
18:48
#24587
Finish
26.22 mi16:53:115:37:1612:5213:39
13:24
#24606
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi23928139661396623088(Top 90%)13567(Top 93%)13567(Top 612%)
10K6.21 mi3.10 mi23410+51813738+22813738+22822999(Top 90%)13520(Top 93%)13520(Top 610%)
15K9.32 mi3.11 mi23319+9113700+3813700+3823088(Top 90%)13567(Top 93%)13567(Top 612%)
20K12.43 mi3.11 mi23407-8813711-1113711-1123408(Top 92%)13688(Top 94%)13688(Top 617%)
Half13.11 mi0.68 mi23436-2913718-713718-723668(Top 93%)13757(Top 94%)13757(Top 620%)
25K15.53 mi2.42 mi23511-7513732-1413732-1423603(Top 92%)13697(Top 94%)13697(Top 618%)
30K18.64 mi3.11 mi23606-9513754-2213754-2223796(Top 93%)13685(Top 94%)13685(Top 617%)
20M20.00 mi1.36 mi23715-10913794-4013794-4024496(Top 96%)13987(Top 96%)13987(Top 631%)
21M21.00 mi1.00 mi23861-14613838-4413838-4425217(Top 99%)14353(Top 98%)14353(Top 647%)
35K21.75 mi0.75 mi24028-16713913-7513913-7525408(Top 99%)14483(Top 99%)14483(Top 653%)
23M23.00 mi1.25 mi24257-22914016-10314016-10325353(Top 99%)14446(Top 99%)14446(Top 651%)
24M24.00 mi1.00 mi24384-12714071-5514071-5525220(Top 99%)14340(Top 98%)14340(Top 647%)
40K24.85 mi0.85 mi24539-15514123-5214123-5225372(Top 99%)14446(Top 99%)14446(Top 651%)
25.2M25.20 mi0.35 mi24587-4814135-1214135-1225205(Top 99%)14337(Top 98%)14337(Top 646%)
Finish26.22 mi1.02 mi24606-1914137-214137-224635(Top 96%)13946(Top 96%)13946(Top 629%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

23088

Males

13567

M45-49

13567

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

22999

Males

13520

M45-49

13520

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

23088

Males

13567

M45-49

13567

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

23408

Males

13688

M45-49

13688

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

23668

Males

13757

M45-49

13757

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

23603

Males

13697

M45-49

13697

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

23796

Males

13685

M45-49

13685

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

24496

Males

13987

M45-49

13987

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

25217

Males

14353

M45-49

14353

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

25408

Males

14483

M45-49

14483

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

25353

Males

14446

M45-49

14446

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

25220

Males

14340

M45-49

14340

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

25372

Males

14446

M45-49

14446

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

25205

Males

14337

M45-49

14337

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

24635

Males

13946

M45-49

13946

Passing Analysis

Category:
Athletes Passed
1140
Passed By
1818
Net Change
-678
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23928
5K → 10K54830+518#23928#23410
10K → 15K17988+91#23410#23319
15K → 20K117205-88#23319#23407
20K → Half1847-29#23407#23436
Half → 25K82157-75#23436#23511
25K → 30K92187-95#23511#23606
30K → 20M31140-109#23606#23715
20M → 21M20166-146#23715#23861
21M → 35K6173-167#23861#24028
35K → 23M11240-229#24028#24257
23M → 24M3130-127#24257#24384
24M → 40K6161-155#24384#24539
40K → 25.2M149-48#24539#24587
25.2M → Finish2645-19#24587#24606
TOTALS11401818-678
📊

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