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BOSTON MARATHON 2023

Jeff Grant

Bib: 2898•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Masters (Masters Men)
#0 / 9891
Top 2%
Division (M40-44)
#0 / 2241
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:24
Rank: #2633
Start → 5K
20:24 | 6:34/mi
10K· 6.21 mi
39:46
Rank: #1975 (+658)
5K → 10K
19:22 | 6:14/mi
15K· 9.32 mi
59:26
Rank: #1900 (+75)
10K → 15K
19:40 | 6:20/mi
20K· 12.43 mi
1:19:07
Rank: #1783 (+117)
15K → 20K
19:41 | 6:20/mi
Half· 13.11 mi
1:23:21
Rank: #1765 (+18)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:38:33
Rank: #1674 (+91)
Half → 25K
15:12 | 6:16/mi
30K· 18.64 mi
1:58:34
Rank: #1597 (+77)
25K → 30K
20:01 | 6:27/mi
20M
2:07:34
Rank: #1595 (+2)
30K → 20M
9:00 | 6:37/mi
21M
2:14:11
Rank: #1528 (+67)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:18:47
Rank: #1504 (+24)
21M → 35K
4:36 | 6:09/mi
23M
2:26:40
Rank: #1438 (+66)
35K → 23M
7:53 | 6:18/mi
24M
2:32:49
Rank: #1382 (+56)
23M → 24M
6:09 | 6:09/mi
40K· 24.85 mi
2:38:14
Rank: #1351 (+31)
24M → 40K
5:25 | 6:20/mi
25.2M
2:40:36
Rank: #1342 (+9)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:46:54
Rank: #1310 (+32)
25.2M → Finish
6:18 | 6:11/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:21
Pace6:21 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:33
Pace6:22 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3420:246:3420:24
6:34
-
10K
6.21 mi10:40:5639:466:2419:22
6:14
-0:20
15K
9.32 mi11:00:3659:266:2319:40
6:20
+0:06
20K
12.43 mi11:20:171:19:076:2219:41
6:20
0:00
Half
13.11 mi11:24:311:23:216:214:14
6:12
-0:08
25K
15.53 mi11:39:431:38:336:2115:12
6:16
+0:04
30K
18.64 mi11:59:441:58:346:2220:01
6:27
+0:11
20M
20.00 mi12:08:442:07:346:239:00
6:37
+0:10
21M
21.00 mi12:15:212:14:116:236:37
6:37
0:00
35K
21.75 mi12:19:572:18:476:234:36
6:09
-0:28
23M
23.00 mi12:27:502:26:406:237:53
6:18
+0:09
24M
24.00 mi12:33:592:32:496:226:09
6:09
-0:09
40K
24.85 mi12:39:242:38:146:225:25
6:20
+0:11
25.2M
25.20 mi12:41:462:40:366:222:22
6:52
+0:32
Finish
26.22 mi12:48:042:46:546:226:18
6:11
-0:41

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

6:09 /mi

Average Pace

6:22 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:32

99% of race

Time at Steady Pace

2:22

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:21:3420:246:3420:24
6:34
#2633
10K
6.21 mi10:40:5639:466:2419:22
6:14
#1975
15K
9.32 mi11:00:3659:266:2319:40
6:20
#1900
20K
12.43 mi11:20:171:19:076:2219:41
6:20
#1783
Half
13.11 mi11:24:311:23:216:214:14
6:12
#1765
25K
15.53 mi11:39:431:38:336:2115:12
6:16
#1674
30K
18.64 mi11:59:441:58:346:2220:01
6:27
#1597
20M
20.00 mi12:08:442:07:346:239:00
6:37
#1595
21M
21.00 mi12:15:212:14:116:236:37
6:37
#1528
35K
21.75 mi12:19:572:18:476:234:36
6:09
#1504
23M
23.00 mi12:27:502:26:406:237:53
6:18
#1438
24M
24.00 mi12:33:592:32:496:226:09
6:09
#1382
40K
24.85 mi12:39:242:38:146:225:25
6:20
#1351
25.2M
25.20 mi12:41:462:40:366:222:22
6:52
#1342
Finish
26.22 mi12:48:042:46:546:226:18
6:11
#1310
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2633250725071774(Top 7%)1698(Top 11%)1698(Top 76%)
10K6.21 mi3.10 mi1975+6581892+6151892+6151474(Top 6%)1407(Top 9%)1407(Top 63%)
15K9.32 mi3.11 mi1900+751818+741818+741774(Top 7%)1698(Top 11%)1698(Top 76%)
20K12.43 mi3.11 mi1783+1171706+1121706+1121538(Top 6%)1469(Top 10%)1469(Top 66%)
Half13.11 mi0.68 mi1765+181688+181688+181380(Top 5%)1320(Top 9%)1320(Top 59%)
25K15.53 mi2.42 mi1674+911602+861602+861218(Top 5%)1164(Top 8%)1164(Top 52%)
30K18.64 mi3.11 mi1597+771528+741528+741348(Top 5%)1290(Top 9%)1290(Top 58%)
20M20.00 mi1.36 mi1595+21524+41524+41936(Top 7%)1846(Top 12%)1846(Top 82%)
21M21.00 mi1.00 mi1528+671460+641460+64914(Top 3%)867(Top 6%)867(Top 39%)
35K21.75 mi0.75 mi1504+241437+231437+231092(Top 4%)1040(Top 7%)1040(Top 46%)
23M23.00 mi1.25 mi1438+661372+651372+65838(Top 3%)796(Top 5%)796(Top 36%)
24M24.00 mi1.00 mi1382+561318+541318+54883(Top 3%)838(Top 6%)838(Top 37%)
40K24.85 mi0.85 mi1351+311288+301288+301003(Top 4%)950(Top 6%)950(Top 42%)
25.2M25.20 mi0.35 mi1342+91278+101278+101313(Top 5%)1243(Top 8%)1243(Top 55%)
Finish26.22 mi1.02 mi1310+321246+321246+321217(Top 5%)1158(Top 8%)1158(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1774

Males

1698

M40-44

1698

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1474

Males

1407

M40-44

1407

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1774

Males

1698

M40-44

1698

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1538

Males

1469

M40-44

1469

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1380

Males

1320

M40-44

1320

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1218

Males

1164

M40-44

1164

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1348

Males

1290

M40-44

1290

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1936

Males

1846

M40-44

1846

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

914

Males

867

M40-44

867

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1092

Males

1040

M40-44

1040

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

838

Males

796

M40-44

796

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

883

Males

838

M40-44

838

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1003

Males

950

M40-44

950

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1313

Males

1243

M40-44

1243

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1217

Males

1158

M40-44

1158

Passing Analysis

Category:
Athletes Passed
1439
Passed By
116
Net Change
+1323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2633
5K → 10K6602+658#2633#1975
10K → 15K10126+75#1975#1900
15K → 20K13215+117#1900#1783
20K → Half213+18#1783#1765
Half → 25K932+91#1765#1674
25K → 30K9720+77#1674#1597
30K → 20M2018+2#1597#1595
20M → 21M714+67#1595#1528
21M → 35K284+24#1528#1504
35K → 23M671+66#1504#1438
23M → 24M593+56#1438#1382
24M → 40K365+31#1382#1351
40K → 25.2M145+9#1351#1342
25.2M → Finish408+32#1342#1310
TOTALS1439116+1323
📊

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