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BOSTON MARATHON 2024

Chris Gundlach

Bib: 12550•M

NY

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
7:39/mi
23:47
↑ 97↓ 3451.5%
10K· 6.21 mi
7:37/mi
47:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:11:27
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:35:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:41:14
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:01:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:55/mi
2:28:56
↑ 181↓ 1480.2%
20M
9:31/mi
2:41:52
↑ 64↓ 500.2%
21M
10:12/mi
2:52:04
↑ 106↓ 241.6%
35K· 21.75 mi
10:22/mi
2:59:49
↑ 17↓ 861.7%
23M
11:37/mi
3:14:22
↑ 23↓ 630.6%
24M
11:05/mi
3:25:27
↓ 821.3%
40K· 24.85 mi
11:10/mi
3:35:00
↓ 200.3%
25.2M
11:42/mi
3:39:02
↑ 13↓ 160.2%
Finish· 26.22 mi
9:19/mi
3:48:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:14
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time2:07:18
Pace9:43 /mi
📊Positive Split: 25.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3623:477:3923:47
7:39
-
10K
6.21 mi11:16:1747:287:3823:41
7:37
-0:02
15K
9.32 mi11:40:161:11:277:4023:59
7:43
+0:06
20K
12.43 mi12:04:441:35:557:4324:28
7:53
+0:10
Half
13.11 mi12:10:031:41:147:435:19
7:48
-0:05
25K
15.53 mi12:30:032:01:147:4820:00
8:15
+0:27
30K
18.64 mi12:57:452:28:567:5927:42
8:55
+0:40
20M
20.00 mi13:10:412:41:528:0612:56
9:31
+0:36
21M
21.00 mi13:20:532:52:048:1210:12
10:12
+0:41
35K
21.75 mi13:28:382:59:498:167:45
10:22
+0:10
23M
23.00 mi13:43:113:14:228:2714:33
11:37
+1:15
24M
24.00 mi13:54:163:25:278:3411:05
11:05
-0:32
40K
24.85 mi14:03:493:35:008:399:33
11:10
+0:05
25.2M
25.20 mi14:07:513:39:028:424:02
11:42
+0:32
Finish
26.22 mi14:17:213:48:328:439:30
9:19
-2:23

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

7:37 /mi

Average Pace

8:43 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:14

53% of race

Time at Steady Pace

50:08

22% of race

Time at Slower Pace

57:10

25% of race

Average Pace: 8:43 /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 mi10:52:3623:477:3923:47
7:39
#11950
10K
6.21 mi11:16:1747:287:3823:41
7:37
#11566
15K
9.32 mi11:40:161:11:277:4023:59
7:43
#11454
20K
12.43 mi12:04:441:35:557:4324:28
7:53
#11296
Half
13.11 mi12:10:031:41:147:435:19
7:48
#11293
25K
15.53 mi12:30:032:01:147:4820:00
8:15
#11309
30K
18.64 mi12:57:452:28:567:5927:42
8:55
#11590
20M
20.00 mi13:10:412:41:528:0612:56
9:31
#11832
21M
21.00 mi13:20:532:52:048:1210:12
10:12
#11951
35K
21.75 mi13:28:382:59:498:167:45
10:22
#12271
23M
23.00 mi13:43:113:14:228:2714:33
11:37
#13023
24M
24.00 mi13:54:163:25:278:3411:05
11:05
#13505
40K
24.85 mi14:03:493:35:008:399:33
11:10
#13818
25.2M
25.20 mi14:07:513:39:028:424:02
11:42
#13891
Finish
26.22 mi14:17:213:48:328:439:30
9:19
#13957
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi119508821882111334(Top 44%)8447(Top 58%)8447(Top 381%)
10K6.21 mi3.10 mi11566+3848624+1978624+19711227(Top 44%)8427(Top 58%)8427(Top 380%)
15K9.32 mi3.11 mi11454+1128534+908534+9011334(Top 44%)8447(Top 58%)8447(Top 381%)
20K12.43 mi3.11 mi11296+1588433+1018433+10110939(Top 43%)8134(Top 56%)8134(Top 367%)
Half13.11 mi0.68 mi11293+38432+18432+111272(Top 44%)8319(Top 57%)8319(Top 375%)
25K15.53 mi2.42 mi11309-168395+378395+3711656(Top 46%)8314(Top 57%)8314(Top 375%)
30K18.64 mi3.11 mi11590-2818427-328427-3212819(Top 50%)8610(Top 59%)8610(Top 388%)
20M20.00 mi1.36 mi11832-2428495-688495-6814598(Top 57%)9115(Top 63%)9115(Top 411%)
21M21.00 mi1.00 mi11951-1198490+58490+513727(Top 54%)8530(Top 59%)8530(Top 385%)
35K21.75 mi0.75 mi12271-3208585-958585-9518154(Top 71%)10703(Top 73%)10703(Top 483%)
23M23.00 mi1.25 mi13023-7528843-2588843-25819902(Top 78%)11515(Top 79%)11515(Top 519%)
24M24.00 mi1.00 mi13505-4829016-1739016-17319428(Top 76%)11216(Top 77%)11216(Top 506%)
40K24.85 mi0.85 mi13818-3139118-1029118-10218513(Top 72%)10711(Top 73%)10711(Top 483%)
25.2M25.20 mi0.35 mi13891-739130-129130-1216534(Top 65%)9688(Top 66%)9688(Top 437%)
Finish26.22 mi1.02 mi13957-669127+39127+315704(Top 61%)9300(Top 64%)9300(Top 419%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11334

Males

8447

M45-49

8447

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11227

Males

8427

M45-49

8427

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11334

Males

8447

M45-49

8447

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

10939

Males

8134

M45-49

8134

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11272

Males

8319

M45-49

8319

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

11656

Males

8314

M45-49

8314

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

12819

Males

8610

M45-49

8610

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

14598

Males

9115

M45-49

9115

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

13727

Males

8530

M45-49

8530

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18154

Males

10703

M45-49

10703

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

19902

Males

11515

M45-49

11515

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

19428

Males

11216

M45-49

11216

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

18513

Males

10711

M45-49

10711

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

16534

Males

9688

M45-49

9688

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

15704

Males

9300

M45-49

9300

Passing Analysis

Category:
Athletes Passed
1920
Passed By
3927
Net Change
-2007
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11950
5K → 10K506122+384#11950#11566
10K → 15K277165+112#11566#11454
15K → 20K307149+158#11454#11296
20K → Half3936+3#11296#11293
Half → 25K205221-16#11293#11309
25K → 30K206487-281#11309#11590
30K → 20M80322-242#11590#11832
20M → 21M104223-119#11832#11951
21M → 35K21341-320#11951#12271
35K → 23M32784-752#12271#13023
23M → 24M22504-482#13023#13505
24M → 40K33346-313#13505#13818
40K → 25.2M2598-73#13818#13891
25.2M → Finish63129-66#13891#13957
TOTALS19203927-2007
📊

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