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BOSTON MARATHON 2023

Jonathan Metcalfe

Bib: 622•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 0.9%
Gender (Male)
#0 / 15176
Top 1%
Masters (Masters Men)
#0 / 9891
Top 0.3%
Division (M40-44)
#0 / 2241
Top 0.9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:22
Rank: #542
Start → 5K
18:22 | 5:55/mi
10K· 6.21 mi
36:28
Rank: #501 (+41)
5K → 10K
18:06 | 5:50/mi
15K· 9.32 mi
54:36
Rank: #456 (+45)
10K → 15K
18:08 | 5:50/mi
20K· 12.43 mi
1:12:48
Rank: #427 (+29)
15K → 20K
18:12 | 5:51/mi
Half· 13.11 mi
1:16:44
Rank: #422 (+5)
20K → Half
3:56 | 5:46/mi
25K· 15.53 mi
1:31:01
Rank: #416 (+6)
Half → 25K
14:17 | 5:53/mi
30K· 18.64 mi
1:49:11
Rank: #366 (+50)
25K → 30K
18:10 | 5:51/mi
20M
1:57:05
Rank: #343 (+23)
30K → 20M
7:54 | 5:49/mi
21M
2:03:16
Rank: #328 (+15)
20M → 21M
6:11 | 6:11/mi
35K· 21.75 mi
2:07:32
Rank: #321 (+7)
21M → 35K
4:16 | 5:42/mi
23M
2:14:50
Rank: #303 (+18)
35K → 23M
7:18 | 5:50/mi
24M
2:20:29
Rank: #288 (+15)
23M → 24M
5:39 | 5:39/mi
40K· 24.85 mi
2:25:25
Rank: #272 (+16)
24M → 40K
4:56 | 5:46/mi
25.2M
2:27:32
Rank: #263 (+9)
40K → 25.2M
2:07 | 6:08/mi
Finish· 26.22 mi
2:33:16
Rank: #249 (+14)
25.2M → Finish
5:44 | 5:38/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:16:44
Pace5:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:16:32
Pace5:50 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3318:225:5518:22
5:55
-
10K
6.21 mi10:36:3936:285:5218:06
5:50
-0:05
15K
9.32 mi10:54:4754:365:5118:08
5:50
0:00
20K
12.43 mi11:12:591:12:485:5118:12
5:51
+0:01
Half
13.11 mi11:16:551:16:445:513:56
5:46
-0:05
25K
15.53 mi11:31:121:31:015:5214:17
5:53
+0:07
30K
18.64 mi11:49:221:49:115:5118:10
5:51
-0:02
20M
20.00 mi11:57:161:57:055:517:54
5:49
-0:02
21M
21.00 mi12:03:272:03:165:526:11
6:11
+0:22
35K
21.75 mi12:07:432:07:325:524:16
5:42
-0:29
23M
23.00 mi12:15:012:14:505:527:18
5:50
+0:08
24M
24.00 mi12:20:402:20:295:515:39
5:39
-0:11
40K
24.85 mi12:25:362:25:255:514:56
5:46
+0:07
25.2M
25.20 mi12:27:432:27:325:512:07
6:08
+0:22
Finish
26.22 mi12:33:272:33:165:515:44
5:38
-0:30

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

5:38 /mi

Average Pace

5:51 /mi

Slowest Pace

6:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:36

83% of race

Time at Steady Pace

26:40

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:51 /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 mi10:18:3318:225:5518:22
5:55
#542
10K
6.21 mi10:36:3936:285:5218:06
5:50
#501
15K
9.32 mi10:54:4754:365:5118:08
5:50
#456
20K
12.43 mi11:12:591:12:485:5118:12
5:51
#427
Half
13.11 mi11:16:551:16:445:513:56
5:46
#422
25K
15.53 mi11:31:121:31:015:5214:17
5:53
#416
30K
18.64 mi11:49:221:49:115:5118:10
5:51
#366
20M
20.00 mi11:57:161:57:055:517:54
5:49
#343
21M
21.00 mi12:03:272:03:165:526:11
6:11
#328
35K
21.75 mi12:07:432:07:325:524:16
5:42
#321
23M
23.00 mi12:15:012:14:505:527:18
5:50
#303
24M
24.00 mi12:20:402:20:295:515:39
5:39
#288
40K
24.85 mi12:25:362:25:255:514:56
5:46
#272
25.2M
25.20 mi12:27:432:27:325:512:07
6:08
#263
Finish
26.22 mi12:33:272:33:165:515:44
5:38
#249
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi542499499407(Top 2%)373(Top 2%)373(Top 17%)
10K6.21 mi3.10 mi501+41460+39460+39458(Top 2%)423(Top 3%)423(Top 19%)
15K9.32 mi3.11 mi456+45421+39421+39407(Top 2%)373(Top 2%)373(Top 17%)
20K12.43 mi3.11 mi427+29392+29392+29363(Top 1%)330(Top 2%)330(Top 15%)
Half13.11 mi0.68 mi422+5387+5387+5341(Top 1%)312(Top 2%)312(Top 14%)
25K15.53 mi2.42 mi416+6381+6381+6374(Top 1%)346(Top 2%)346(Top 15%)
30K18.64 mi3.11 mi366+50334+47334+47194(Top 0.7%)171(Top 1%)171(Top 8%)
20M20.00 mi1.36 mi343+23311+23311+23171(Top 0.6%)149(Top 1.0%)149(Top 7%)
21M21.00 mi1.00 mi328+15297+14297+14224(Top 0.8%)200(Top 1%)200(Top 9%)
35K21.75 mi0.75 mi321+7290+7290+7230(Top 0.9%)207(Top 1%)207(Top 9%)
23M23.00 mi1.25 mi303+18272+18272+18152(Top 0.6%)131(Top 0.9%)131(Top 6%)
24M24.00 mi1.00 mi288+15258+14258+14146(Top 0.5%)128(Top 0.8%)128(Top 6%)
40K24.85 mi0.85 mi272+16244+14244+14123(Top 0.5%)109(Top 0.7%)109(Top 5%)
25.2M25.20 mi0.35 mi263+9236+8236+8129(Top 0.5%)114(Top 0.8%)114(Top 5%)
Finish26.22 mi1.02 mi249+14223+13223+13170(Top 0.6%)154(Top 1%)154(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

407

Males

373

M40-44

373

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

458

Males

423

M40-44

423

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

407

Males

373

M40-44

373

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

363

Males

330

M40-44

330

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

341

Males

312

M40-44

312

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

374

Males

346

M40-44

346

25K→30K

15.5 - 18.6 mi

Top 0.7%
×9stories
+181ft-148ft

Overall

194

Males

171

M40-44

171

30K→20M

18.6 - 20.0 mi

Top 0.6%
×5stories
+64ft-50ft

Overall

171

Males

149

M40-44

149

20M→21M

20.0 - 21.0 mi

Top 0.8%
×8stories
+106ft-24ft

Overall

224

Males

200

M40-44

200

21M→35K

21.0 - 21.8 mi

Top 0.9%
×7stories
+17ft-86ft

Overall

230

Males

207

M40-44

207

35K→23M

21.8 - 23.0 mi

Top 0.6%
×5stories
+23ft-63ft

Overall

152

Males

131

M40-44

131

23M→24M

23.0 - 24.0 mi

Top 0.5%
×6stories
+12ft-82ft

Overall

146

Males

128

M40-44

128

24M→40K

24.0 - 24.9 mi

Top 0.5%
×1story
+6ft-20ft

Overall

123

Males

109

M40-44

109

40K→25.2M

24.9 - 25.2 mi

Top 0.5%
×1story
+13ft-16ft

Overall

129

Males

114

M40-44

114

25.2M→Finish

25.2 - 26.2 mi

Top 0.6%
×2stories
+22ft-21ft

Overall

170

Males

154

M40-44

154

Passing Analysis

Category:
Athletes Passed
326
Passed By
33
Net Change
+293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#542
5K → 10K5716+41#542#501
10K → 15K516+45#501#456
15K → 20K301+29#456#427
20K → Half72+5#427#422
Half → 25K93+6#422#416
25K → 30K500+50#416#366
30K → 20M230+23#366#343
20M → 21M161+15#343#328
21M → 35K70+7#328#321
35K → 23M180+18#321#303
23M → 24M161+15#303#288
24M → 40K171+16#288#272
40K → 25.2M101+9#272#263
25.2M → Finish151+14#263#249
TOTALS32633+293
📊

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