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BOSTON MARATHON 2024

John Gunderson

Bib: 4158•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 11%
Gender (Male)
#0 / 14578
Top 19%
Masters (Masters Men)
#0 / 9729
Top 9%
Division (M40-44)
#0 / 2009
Top 23%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:16
Rank: #3484
Start → 5K
20:16 | 6:31/mi
10K· 6.21 mi
40:45
Rank: #3490 (-6)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:01:17
Rank: #3413 (+77)
10K → 15K
20:32 | 6:37/mi
20K· 12.43 mi
1:22:20
Rank: #3439 (-26)
15K → 20K
21:03 | 6:47/mi
Half· 13.11 mi
1:26:56
Rank: #3465 (-26)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:43:33
Rank: #3409 (+56)
Half → 25K
16:37 | 6:51/mi
30K· 18.64 mi
2:05:23
Rank: #3222 (+187)
25K → 30K
21:50 | 7:02/mi
20M
2:15:08
Rank: #3172 (+50)
30K → 20M
9:45 | 7:10/mi
21M
2:22:43
Rank: #3098 (+74)
20M → 21M
7:35 | 7:35/mi
35K· 21.75 mi
2:27:51
Rank: #3045 (+53)
21M → 35K
5:08 | 6:52/mi
23M
2:36:55
Rank: #2983 (+62)
35K → 23M
9:04 | 7:14/mi
24M
2:43:52
Rank: #2908 (+75)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:50:12
Rank: #2905 (+3)
24M → 40K
6:20 | 7:24/mi
25.2M
2:53:02
Rank: #2904 (+1)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:00:21
Rank: #2935 (-31)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:56
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:33:25
Pace7:08 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2620:166:3120:16
6:31
-
10K
6.21 mi10:44:5540:456:3320:29
6:36
+0:05
15K
9.32 mi11:05:271:01:176:3520:32
6:37
+0:01
20K
12.43 mi11:26:301:22:206:3821:03
6:47
+0:10
Half
13.11 mi11:31:061:26:566:384:36
6:45
-0:02
25K
15.53 mi11:47:431:43:336:4016:37
6:51
+0:06
30K
18.64 mi12:09:332:05:236:4421:50
7:02
+0:11
20M
20.00 mi12:19:182:15:086:459:45
7:10
+0:08
21M
21.00 mi12:26:532:22:436:487:35
7:35
+0:25
35K
21.75 mi12:32:012:27:516:485:08
6:52
-0:43
23M
23.00 mi12:41:052:36:556:499:04
7:14
+0:22
24M
24.00 mi12:48:022:43:526:506:57
6:57
-0:17
40K
24.85 mi12:54:222:50:126:516:20
7:24
+0:27
25.2M
25.20 mi12:57:122:53:026:522:50
8:13
+0:49
Finish
26.22 mi13:04:313:00:216:537:19
7:11
-1:02

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

6:31 /mi

Average Pace

6:53 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:17

34% of race

Time at Steady Pace

1:16:11

42% of race

Time at Slower Pace

42:53

24% of race

Average Pace: 6:53 /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 mi10:24:2620:166:3120:16
6:31
#3484
10K
6.21 mi10:44:5540:456:3320:29
6:36
#3490
15K
9.32 mi11:05:271:01:176:3520:32
6:37
#3413
20K
12.43 mi11:26:301:22:206:3821:03
6:47
#3439
Half
13.11 mi11:31:061:26:566:384:36
6:45
#3465
25K
15.53 mi11:47:431:43:336:4016:37
6:51
#3409
30K
18.64 mi12:09:332:05:236:4421:50
7:02
#3222
20M
20.00 mi12:19:182:15:086:459:45
7:10
#3172
21M
21.00 mi12:26:532:22:436:487:35
7:35
#3098
35K
21.75 mi12:32:012:27:516:485:08
6:52
#3045
23M
23.00 mi12:41:052:36:556:499:04
7:14
#2983
24M
24.00 mi12:48:022:43:526:506:57
6:57
#2908
40K
24.85 mi12:54:222:50:126:516:20
7:24
#2905
25.2M
25.20 mi12:57:122:53:026:522:50
8:13
#2904
Finish
26.22 mi13:04:313:00:216:537:19
7:11
#2935
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3484332033203339(Top 13%)3173(Top 22%)3173(Top 158%)
10K6.21 mi3.10 mi3490-63313+73313+73585(Top 14%)3395(Top 23%)3395(Top 169%)
15K9.32 mi3.11 mi3413+773247+663247+663339(Top 13%)3173(Top 22%)3173(Top 158%)
20K12.43 mi3.11 mi3439-263269-223269-223699(Top 14%)3480(Top 24%)3480(Top 173%)
Half13.11 mi0.68 mi3465-263291-223291-224184(Top 16%)3888(Top 27%)3888(Top 194%)
25K15.53 mi2.42 mi3409+563234+573234+573542(Top 14%)3306(Top 23%)3306(Top 165%)
30K18.64 mi3.11 mi3222+1873055+1793055+1793010(Top 12%)2799(Top 19%)2799(Top 139%)
20M20.00 mi1.36 mi3172+502999+562999+563072(Top 12%)2801(Top 19%)2801(Top 139%)
21M21.00 mi1.00 mi3098+742921+782921+782786(Top 11%)2519(Top 17%)2519(Top 125%)
35K21.75 mi0.75 mi3045+532870+512870+512554(Top 10%)2319(Top 16%)2319(Top 115%)
23M23.00 mi1.25 mi2983+622805+652805+652724(Top 11%)2433(Top 17%)2433(Top 121%)
24M24.00 mi1.00 mi2908+752735+702735+702199(Top 9%)1974(Top 14%)1974(Top 98%)
40K24.85 mi0.85 mi2905+32715+202715+203198(Top 13%)2689(Top 18%)2689(Top 134%)
25.2M25.20 mi0.35 mi2904+12712+32712+33512(Top 14%)2844(Top 20%)2844(Top 142%)
Finish26.22 mi1.02 mi2935-312735-232735-233961(Top 16%)3169(Top 22%)3169(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3339

Males

3173

M40-44

3173

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3585

Males

3395

M40-44

3395

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3339

Males

3173

M40-44

3173

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3699

Males

3480

M40-44

3480

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4184

Males

3888

M40-44

3888

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3542

Males

3306

M40-44

3306

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3010

Males

2799

M40-44

2799

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3072

Males

2801

M40-44

2801

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2786

Males

2519

M40-44

2519

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2554

Males

2319

M40-44

2319

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2724

Males

2433

M40-44

2433

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2199

Males

1974

M40-44

1974

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3198

Males

2689

M40-44

2689

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3512

Males

2844

M40-44

2844

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

3961

Males

3169

M40-44

3169

Passing Analysis

Category:
Athletes Passed
1401
Passed By
852
Net Change
+549
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3484
5K → 10K133139-6#3484#3490
10K → 15K14063+77#3490#3413
15K → 20K106132-26#3413#3439
20K → Half1642-26#3439#3465
Half → 25K15094+56#3465#3409
25K → 30K26275+187#3409#3222
30K → 20M10858+50#3222#3172
20M → 21M11036+74#3172#3098
21M → 35K7118+53#3098#3045
35K → 23M9937+62#3045#2983
23M → 24M8813+75#2983#2908
24M → 40K5855+3#2908#2905
40K → 25.2M2423+1#2905#2904
25.2M → Finish3667-31#2904#2935
TOTALS1401852+549
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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