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BOSTON MARATHON 2023

Nick Bertrand

Bib: 2183•M

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:30
Rank: #1352
Start → 5K
19:30 | 6:17/mi
10K· 6.21 mi
38:48
Rank: #1352
5K → 10K
19:18 | 6:13/mi
15K· 9.32 mi
58:13
Rank: #1355 (-3)
10K → 15K
19:25 | 6:15/mi
20K· 12.43 mi
1:17:49
Rank: #1345 (+10)
15K → 20K
19:36 | 6:19/mi
Half· 13.11 mi
1:21:59
Rank: #1325 (+20)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:37:03
Rank: #1282 (+43)
Half → 25K
15:04 | 6:13/mi
30K· 18.64 mi
1:56:40
Rank: #1199 (+83)
25K → 30K
19:37 | 6:19/mi
20M
2:05:08
Rank: #1137 (+62)
30K → 20M
8:28 | 6:14/mi
21M
2:11:32
Rank: #1073 (+64)
20M → 21M
6:24 | 6:24/mi
35K· 21.75 mi
2:15:59
Rank: #1043 (+30)
21M → 35K
4:27 | 5:57/mi
23M
2:23:51
Rank: #1013 (+30)
35K → 23M
7:52 | 6:17/mi
24M
2:30:03
Rank: #988 (+25)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:35:22
Rank: #971 (+17)
24M → 40K
5:19 | 6:13/mi
25.2M
2:37:33
Rank: #946 (+25)
40K → 25.2M
2:11 | 6:20/mi
Finish· 26.22 mi
2:43:14
Rank: #877 (+69)
25.2M → Finish
5:41 | 5:35/mi

Course Map & Elevation

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:21:59
Pace6:15 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:15
Pace6:12 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1619:306:1719:30
6:17
-
10K
6.21 mi10:39:3438:486:1519:18
6:13
-0:04
15K
9.32 mi10:58:5958:136:1519:25
6:15
+0:02
20K
12.43 mi11:18:351:17:496:1619:36
6:19
+0:04
Half
13.11 mi11:22:451:21:596:154:10
6:06
-0:13
25K
15.53 mi11:37:491:37:036:1515:04
6:13
+0:07
30K
18.64 mi11:57:261:56:406:1619:37
6:19
+0:06
20M
20.00 mi12:05:542:05:086:158:28
6:14
-0:05
21M
21.00 mi12:12:182:11:326:166:24
6:24
+0:10
35K
21.75 mi12:16:452:15:596:154:27
5:57
-0:27
23M
23.00 mi12:24:372:23:516:157:52
6:17
+0:20
24M
24.00 mi12:30:492:30:036:156:12
6:12
-0:05
40K
24.85 mi12:36:082:35:226:155:19
6:13
+0:01
25.2M
25.20 mi12:38:192:37:336:152:11
6:20
+0:07
Finish
26.22 mi12:44:002:43:146:145:41
5:35
-0:45

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

5:35 /mi

Average Pace

6:14 /mi

Slowest Pace

6:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

14:18

9% of race

Time at Steady Pace

2:28:56

91% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:14 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:20:1619:306:1719:30
6:17
#1352
10K
6.21 mi10:39:3438:486:1519:18
6:13
#1352
15K
9.32 mi10:58:5958:136:1519:25
6:15
#1355
20K
12.43 mi11:18:351:17:496:1619:36
6:19
#1345
Half
13.11 mi11:22:451:21:596:154:10
6:06
#1325
25K
15.53 mi11:37:491:37:036:1515:04
6:13
#1282
30K
18.64 mi11:57:261:56:406:1619:37
6:19
#1199
20M
20.00 mi12:05:542:05:086:158:28
6:14
#1137
21M
21.00 mi12:12:182:11:326:166:24
6:24
#1073
35K
21.75 mi12:16:452:15:596:154:27
5:57
#1043
23M
23.00 mi12:24:372:23:516:157:52
6:17
#1013
24M
24.00 mi12:30:492:30:036:156:12
6:12
#988
40K
24.85 mi12:36:082:35:226:155:19
6:13
#971
25.2M
25.20 mi12:38:192:37:336:152:11
6:20
#946
Finish
26.22 mi12:44:002:43:146:145:41
5:35
#877
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1352128412841422(Top 5%)1355(Top 9%)1355(Top 26%)
10K6.21 mi3.10 mi13521286-21286-21393(Top 5%)1328(Top 9%)1328(Top 25%)
15K9.32 mi3.11 mi1355-31291-51291-51422(Top 5%)1355(Top 9%)1355(Top 26%)
20K12.43 mi3.11 mi1345+101280+111280+111410(Top 5%)1347(Top 9%)1347(Top 25%)
Half13.11 mi0.68 mi1325+201263+171263+171022(Top 4%)974(Top 6%)974(Top 18%)
25K15.53 mi2.42 mi1282+431224+391224+391032(Top 4%)983(Top 6%)983(Top 19%)
30K18.64 mi3.11 mi1199+831144+801144+80939(Top 4%)894(Top 6%)894(Top 17%)
20M20.00 mi1.36 mi1137+621084+601084+60720(Top 3%)681(Top 4%)681(Top 13%)
21M21.00 mi1.00 mi1073+641021+631021+63497(Top 2%)463(Top 3%)463(Top 9%)
35K21.75 mi0.75 mi1043+30993+28993+28599(Top 2%)561(Top 4%)561(Top 11%)
23M23.00 mi1.25 mi1013+30963+30963+30796(Top 3%)755(Top 5%)755(Top 14%)
24M24.00 mi1.00 mi988+25939+24939+241014(Top 4%)960(Top 6%)960(Top 18%)
40K24.85 mi0.85 mi971+17922+17922+17685(Top 3%)648(Top 4%)648(Top 12%)
25.2M25.20 mi0.35 mi946+25897+25897+25275(Top 1%)255(Top 2%)255(Top 5%)
Finish26.22 mi1.02 mi877+69831+66831+66135(Top 0.5%)121(Top 0.8%)121(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1422

Males

1355

M18-39

1355

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1393

Males

1328

M18-39

1328

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1422

Males

1355

M18-39

1355

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1410

Males

1347

M18-39

1347

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1022

Males

974

M18-39

974

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1032

Males

983

M18-39

983

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

939

Males

894

M18-39

894

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

720

Males

681

M18-39

681

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

497

Males

463

M18-39

463

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

599

Males

561

M18-39

561

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

796

Males

755

M18-39

755

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1014

Males

960

M18-39

960

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

685

Males

648

M18-39

648

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

275

Males

255

M18-39

255

25.2M→Finish

25.2 - 26.2 mi

Top 0.5%
×2stories
+22ft-21ft

Overall

135

Males

121

M18-39

121

Passing Analysis

Category:
Athletes Passed
662
Passed By
187
Net Change
+475
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1352
5K → 10K72720#1352#1352
10K → 15K4649-3#1352#1355
15K → 20K5242+10#1355#1345
20K → Half200+20#1345#1325
Half → 25K496+43#1325#1282
25K → 30K907+83#1282#1199
30K → 20M620+62#1199#1137
20M → 21M640+64#1137#1073
21M → 35K300+30#1073#1043
35K → 23M344+30#1043#1013
23M → 24M294+25#1013#988
24M → 40K203+17#988#971
40K → 25.2M250+25#971#946
25.2M → Finish690+69#946#877
TOTALS662187+475
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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