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BOSTON MARATHON 2023

George Tolton

Bib: 1153•M

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 1.0%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
5:52/mi
18:14
↑ 97↓ 3451.5%
10K· 6.21 mi
5:46/mi
36:10
↑ 79↓ 1380.4%
15K· 9.32 mi
5:51/mi
54:21
↑ 67↓ 78
20K· 12.43 mi
6:01/mi
1:13:02
↑ 106↓ 860.1%
Half· 13.11 mi
5:44/mi
1:16:57
↑ 19↓ 370.5%
25K· 15.53 mi
5:45/mi
1:30:53
↑ 66↓ 880.2%
30K· 18.64 mi
5:56/mi
1:49:18
↑ 181↓ 1480.2%
20M
5:53/mi
1:57:18
↑ 64↓ 500.2%
21M
6:13/mi
2:03:31
↑ 106↓ 241.6%
35K· 21.75 mi
5:38/mi
2:07:44
↑ 17↓ 861.7%
23M
5:46/mi
2:14:57
↑ 23↓ 630.6%
24M
5:36/mi
2:20:33
↓ 821.3%
40K· 24.85 mi
5:52/mi
2:25:34
↓ 200.3%
25.2M
6:23/mi
2:27:46
↑ 13↓ 160.2%
Finish· 26.22 mi
5:46/mi
2:33:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:16:57
Pace5:52 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:16:42
Pace5:51 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4418:145:5218:14
5:52
-
10K
6.21 mi10:36:4036:105:4917:56
5:46
-0:06
15K
9.32 mi10:54:5154:215:5018:11
5:51
+0:05
20K
12.43 mi11:13:321:13:025:5318:41
6:01
+0:10
Half
13.11 mi11:17:271:16:575:523:55
5:44
-0:17
25K
15.53 mi11:31:231:30:535:5113:56
5:45
+0:01
30K
18.64 mi11:49:481:49:185:5218:25
5:56
+0:11
20M
20.00 mi11:57:481:57:185:528:00
5:53
-0:03
21M
21.00 mi12:04:012:03:315:536:13
6:13
+0:20
35K
21.75 mi12:08:142:07:445:524:13
5:38
-0:35
23M
23.00 mi12:15:272:14:575:527:13
5:46
+0:08
24M
24.00 mi12:21:032:20:335:515:36
5:36
-0:10
40K
24.85 mi12:26:042:25:345:515:01
5:52
+0:16
25.2M
25.20 mi12:28:162:27:465:522:12
6:23
+0:31
Finish
26.22 mi12:34:092:33:395:525:53
5:46
-0:37

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

5:36 /mi

Average Pace

5:52 /mi

Slowest Pace

6:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:14

95% of race

Time at Steady Pace

8:25

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:52 /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 mi10:18:4418:145:5218:14
5:52
#482
10K
6.21 mi10:36:4036:105:4917:56
5:46
#425
15K
9.32 mi10:54:5154:215:5018:11
5:51
#422
20K
12.43 mi11:13:321:13:025:5318:41
6:01
#450
Half
13.11 mi11:17:271:16:575:523:55
5:44
#441
25K
15.53 mi11:31:231:30:535:5113:56
5:45
#402
30K
18.64 mi11:49:481:49:185:5218:25
5:56
#372
20M
20.00 mi11:57:481:57:185:528:00
5:53
#363
21M
21.00 mi12:04:012:03:315:536:13
6:13
#345
35K
21.75 mi12:08:142:07:445:524:13
5:38
#334
23M
23.00 mi12:15:272:14:575:527:13
5:46
#309
24M
24.00 mi12:21:032:20:335:515:36
5:36
#292
40K
24.85 mi12:26:042:25:345:515:01
5:52
#278
25.2M
25.20 mi12:28:162:27:465:522:12
6:23
#276
Finish
26.22 mi12:34:092:33:395:525:53
5:46
#263
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi482446446431(Top 2%)397(Top 3%)397(Top 8%)
10K6.21 mi3.10 mi425+57390+56390+56395(Top 1%)360(Top 2%)360(Top 7%)
15K9.32 mi3.11 mi422+3387+3387+3431(Top 2%)397(Top 3%)397(Top 8%)
20K12.43 mi3.11 mi450-28414-27414-27573(Top 2%)533(Top 4%)533(Top 10%)
Half13.11 mi0.68 mi441+9405+9405+9309(Top 1%)285(Top 2%)285(Top 5%)
25K15.53 mi2.42 mi402+39368+37368+37212(Top 0.8%)189(Top 1%)189(Top 4%)
30K18.64 mi3.11 mi372+30340+28340+28296(Top 1%)271(Top 2%)271(Top 5%)
20M20.00 mi1.36 mi363+9331+9331+9238(Top 0.9%)215(Top 1%)215(Top 4%)
21M21.00 mi1.00 mi345+18313+18313+18250(Top 0.9%)226(Top 1%)226(Top 4%)
35K21.75 mi0.75 mi334+11303+10303+10168(Top 0.6%)145(Top 1.0%)145(Top 3%)
23M23.00 mi1.25 mi309+25278+25278+25118(Top 0.4%)100(Top 0.7%)100(Top 2%)
24M24.00 mi1.00 mi292+17262+16262+16120(Top 0.5%)103(Top 0.7%)103(Top 2%)
40K24.85 mi0.85 mi278+14250+12250+12191(Top 0.7%)170(Top 1%)170(Top 3%)
25.2M25.20 mi0.35 mi276+2248+2248+2305(Top 1%)284(Top 2%)284(Top 5%)
Finish26.22 mi1.02 mi263+13237+11237+11321(Top 1%)303(Top 2%)303(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

431

Males

397

M18-39

397

5K→10K

3.1 - 6.2 mi

Top 1%
×5story building
+79ft-138ft

Overall

395

Males

360

M18-39

360

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

431

Males

397

M18-39

397

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

573

Males

533

M18-39

533

20K→Half

12.4 - 13.1 mi

Top 1%
×2story building
+19ft-37ft

Overall

309

Males

285

M18-39

285

Half→25K

13.1 - 15.5 mi

Top 0.8%
×4story building
+66ft-88ft

Overall

212

Males

189

M18-39

189

25K→30K

15.5 - 18.6 mi

Top 1%
×9story building
+181ft-148ft

Overall

296

Males

271

M18-39

271

30K→20M

18.6 - 20.0 mi

Top 0.9%
×5story building
+64ft-50ft

Overall

238

Males

215

M18-39

215

20M→21M

20.0 - 21.0 mi

Top 0.9%
×8story building
+106ft-24ft

Overall

250

Males

226

M18-39

226

21M→35K

21.0 - 21.8 mi

Top 0.6%
×7story building
+17ft-86ft

Overall

168

Males

145

M18-39

145

35K→23M

21.8 - 23.0 mi

Top 0.4%
×5story building
+23ft-63ft

Overall

118

Males

100

M18-39

100

23M→24M

23.0 - 24.0 mi

Top 0.5%
×6story building
+12ft-82ft

Overall

120

Males

103

M18-39

103

24M→40K

24.0 - 24.9 mi

Top 0.7%
×1story
+6ft-20ft

Overall

191

Males

170

M18-39

170

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

305

Males

284

M18-39

284

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2story building
+22ft-21ft

Overall

321

Males

303

M18-39

303

Passing Analysis

Category:
Athletes Passed
282
Passed By
63
Net Change
+219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#482
5K → 10K603+57#482#425
10K → 15K1512+3#425#422
15K → 20K735-28#422#450
20K → Half90+9#450#441
Half → 25K390+39#441#402
25K → 30K322+30#402#372
30K → 20M123+9#372#363
20M → 21M191+18#363#345
21M → 35K110+11#345#334
35K → 23M261+25#334#309
23M → 24M181+17#309#292
24M → 40K162+14#292#278
40K → 25.2M20+2#278#276
25.2M → Finish163+13#276#263
TOTALS28263+219
📊

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