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BOSTON MARATHON 2023

Jonathan Gannon

Bib: 12930•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 37%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:48
Rank: #11095
Start → 5K
23:48 | 7:40/mi
10K· 6.21 mi
46:58
Rank: #10539 (+556)
5K → 10K
23:10 | 7:27/mi
15K· 9.32 mi
1:10:40
Rank: #10774 (-235)
10K → 15K
23:42 | 7:38/mi
20K· 12.43 mi
1:34:05
Rank: #10435 (+339)
15K → 20K
23:25 | 7:32/mi
Half· 13.11 mi
1:39:11
Rank: #10413 (+22)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:57:39
Rank: #10258 (+155)
Half → 25K
18:28 | 7:37/mi
30K· 18.64 mi
2:22:00
Rank: #10111 (+147)
25K → 30K
24:21 | 7:50/mi
20M
2:32:33
Rank: #9951 (+160)
30K → 20M
10:33 | 7:46/mi
21M
2:40:29
Rank: #9742 (+209)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:46:04
Rank: #9689 (+53)
21M → 35K
5:35 | 7:28/mi
23M
2:55:47
Rank: #9547 (+142)
35K → 23M
9:43 | 7:46/mi
24M
3:03:15
Rank: #9444 (+103)
23M → 24M
7:28 | 7:28/mi
40K· 24.85 mi
3:09:36
Rank: #9269 (+175)
24M → 40K
6:21 | 7:26/mi
25.2M
3:12:20
Rank: #9203 (+66)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:19:34
Rank: #9070 (+133)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:11
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:40:23
Pace7:39 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0923:487:4023:48
7:40
-
10K
6.21 mi11:14:1946:587:3423:10
7:27
-0:13
15K
9.32 mi11:38:011:10:407:3523:42
7:38
+0:11
20K
12.43 mi12:01:261:34:057:3423:25
7:32
-0:06
Half
13.11 mi12:06:321:39:117:345:06
7:29
-0:03
25K
15.53 mi12:25:001:57:397:3418:28
7:37
+0:08
30K
18.64 mi12:49:212:22:007:3724:21
7:50
+0:13
20M
20.00 mi12:59:542:32:337:3810:33
7:46
-0:04
21M
21.00 mi13:07:502:40:297:397:56
7:56
+0:10
35K
21.75 mi13:13:252:46:047:385:35
7:28
-0:28
23M
23.00 mi13:23:082:55:477:399:43
7:46
+0:18
24M
24.00 mi13:30:363:03:157:387:28
7:28
-0:18
40K
24.85 mi13:36:573:09:367:386:21
7:26
-0:02
25.2M
25.20 mi13:39:413:12:207:382:44
7:56
+0:30
Finish
26.22 mi13:46:553:19:347:377:14
7:06
-0:50

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

7:06 /mi

Average Pace

7:37 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:33

82% of race

Time at Steady Pace

35:01

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi10:51:0923:487:4023:48
7:40
#11095
10K
6.21 mi11:14:1946:587:3423:10
7:27
#10539
15K
9.32 mi11:38:011:10:407:3523:42
7:38
#10774
20K
12.43 mi12:01:261:34:057:3423:25
7:32
#10435
Half
13.11 mi12:06:321:39:117:345:06
7:29
#10413
25K
15.53 mi12:25:001:57:397:3418:28
7:37
#10258
30K
18.64 mi12:49:212:22:007:3724:21
7:50
#10111
20M
20.00 mi12:59:542:32:337:3810:33
7:46
#9951
21M
21.00 mi13:07:502:40:297:397:56
7:56
#9742
35K
21.75 mi13:13:252:46:047:385:35
7:28
#9689
23M
23.00 mi13:23:082:55:477:399:43
7:46
#9547
24M
24.00 mi13:30:363:03:157:387:28
7:28
#9444
40K
24.85 mi13:36:573:09:367:386:21
7:26
#9269
25.2M
25.20 mi13:39:413:12:207:382:44
7:56
#9203
Finish
26.22 mi13:46:553:19:347:377:14
7:06
#9070
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi110958699869911226(Top 42%)8733(Top 58%)8733(Top 388%)
10K6.21 mi3.10 mi10539+5568433+2668433+26610108(Top 38%)8224(Top 54%)8224(Top 365%)
15K9.32 mi3.11 mi10774-2358539-1068539-10611226(Top 42%)8733(Top 58%)8733(Top 388%)
20K12.43 mi3.11 mi10435+3398384+1558384+1559602(Top 36%)7855(Top 52%)7855(Top 349%)
Half13.11 mi0.68 mi10413+228363+218363+219957(Top 37%)8067(Top 53%)8067(Top 358%)
25K15.53 mi2.42 mi10258+1558265+988265+989653(Top 36%)7788(Top 51%)7788(Top 346%)
30K18.64 mi3.11 mi10111+1478153+1128153+1129635(Top 36%)7631(Top 50%)7631(Top 339%)
20M20.00 mi1.36 mi9951+1608041+1128041+1128570(Top 32%)6937(Top 46%)6937(Top 308%)
21M21.00 mi1.00 mi9742+2097906+1357906+1356934(Top 26%)5830(Top 38%)5830(Top 259%)
35K21.75 mi0.75 mi9689+537858+487858+488251(Top 31%)6652(Top 44%)6652(Top 295%)
23M23.00 mi1.25 mi9547+1427749+1097749+1098135(Top 31%)6483(Top 43%)6483(Top 288%)
24M24.00 mi1.00 mi9444+1037657+927657+927475(Top 28%)6000(Top 40%)6000(Top 266%)
40K24.85 mi0.85 mi9269+1757525+1327525+1326251(Top 23%)5186(Top 34%)5186(Top 230%)
25.2M25.20 mi0.35 mi9203+667477+487477+486096(Top 23%)5027(Top 33%)5027(Top 223%)
Finish26.22 mi1.02 mi9070+1337380+977380+975823(Top 22%)4815(Top 32%)4815(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11226

Males

8733

M45-49

8733

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10108

Males

8224

M45-49

8224

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11226

Males

8733

M45-49

8733

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9602

Males

7855

M45-49

7855

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9957

Males

8067

M45-49

8067

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9653

Males

7788

M45-49

7788

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9635

Males

7631

M45-49

7631

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8570

Males

6937

M45-49

6937

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6934

Males

5830

M45-49

5830

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8251

Males

6652

M45-49

6652

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8135

Males

6483

M45-49

6483

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7475

Males

6000

M45-49

6000

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6251

Males

5186

M45-49

5186

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6096

Males

5027

M45-49

5027

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5823

Males

4815

M45-49

4815

Passing Analysis

Category:
Athletes Passed
2745*
Passed By
720
Net Change
+2025
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11095
5K → 10K641*85+556#11095#10539
10K → 15K107342-235#10539#10774
15K → 20K37233+339#10774#10435
20K → Half4119+22#10435#10413
Half → 25K21358+155#10413#10258
25K → 30K225*78+147#10258#10111
30K → 20M185*25+160#10111#9951
20M → 21M2145+209#9951#9742
21M → 35K6916+53#9742#9689
35K → 23M16422+142#9689#9547
23M → 24M12522+103#9547#9444
24M → 40K1805+175#9444#9269
40K → 25.2M693+66#9269#9203
25.2M → Finish1407+133#9203#9070
TOTALS2745*720+2025

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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