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BOSTON MARATHON 2023

Grant Joiner

Bib: 25623•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Male)
#0 / 15176
Top 40%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:48
Rank: #8358
Start → 5K
22:48 | 7:20/mi
10K· 6.21 mi
43:43
Rank: #6711 (+1647)
5K → 10K
20:55 | 6:44/mi
15K· 9.32 mi
1:05:07
Rank: #6416 (+295)
10K → 15K
21:24 | 6:53/mi
20K· 12.43 mi
1:26:45
Rank: #6233 (+183)
15K → 20K
21:38 | 6:58/mi
Half· 13.11 mi
1:31:21
Rank: #6164 (+69)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:48:12
Rank: #6005 (+159)
Half → 25K
16:51 | 6:57/mi
30K· 18.64 mi
2:11:14
Rank: #6059 (-54)
25K → 30K
23:02 | 7:25/mi
20M
2:21:45
Rank: #6163 (-104)
30K → 20M
10:31 | 7:44/mi
21M
2:29:55
Rank: #6218 (-55)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:35:25
Rank: #6241 (-23)
21M → 35K
5:30 | 7:21/mi
23M
2:45:33
Rank: #6390 (-149)
35K → 23M
10:08 | 8:06/mi
24M
2:53:35
Rank: #6532 (-142)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:00:48
Rank: #6690 (-158)
24M → 40K
7:13 | 8:26/mi
25.2M
3:03:56
Rank: #6756 (-66)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:11:58
Rank: #6889 (-133)
25.2M → Finish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:21
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:40:37
Pace7:41 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1922:487:2022:48
7:20
-
10K
6.21 mi12:06:1443:437:0220:55
6:44
-0:36
15K
9.32 mi12:27:381:05:076:5921:24
6:53
+0:09
20K
12.43 mi12:49:161:26:456:5921:38
6:58
+0:05
Half
13.11 mi12:53:521:31:216:584:36
6:45
-0:13
25K
15.53 mi13:10:431:48:126:5816:51
6:57
+0:12
30K
18.64 mi13:33:452:11:147:0223:02
7:25
+0:28
20M
20.00 mi13:44:162:21:457:0510:31
7:44
+0:19
21M
21.00 mi13:52:262:29:557:088:10
8:10
+0:26
35K
21.75 mi13:57:562:35:257:095:30
7:21
-0:49
23M
23.00 mi14:08:042:45:337:1210:08
8:06
+0:45
24M
24.00 mi14:16:062:53:357:148:02
8:02
-0:04
40K
24.85 mi14:23:193:00:487:167:13
8:26
+0:24
25.2M
25.20 mi14:26:273:03:567:183:08
9:05
+0:39
Finish
26.22 mi14:34:293:11:587:208:02
7:53
-1:12

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

6:44 /mi

Average Pace

7:20 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:24

44% of race

Time at Steady Pace

1:01:51

32% of race

Time at Slower Pace

44:43

23% of race

Average Pace: 7:19 /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 mi11:45:1922:487:2022:48
7:20
#8358
10K
6.21 mi12:06:1443:437:0220:55
6:44
#6711
15K
9.32 mi12:27:381:05:076:5921:24
6:53
#6416
20K
12.43 mi12:49:161:26:456:5921:38
6:58
#6233
Half
13.11 mi12:53:521:31:216:584:36
6:45
#6164
25K
15.53 mi13:10:431:48:126:5816:51
6:57
#6005
30K
18.64 mi13:33:452:11:147:0223:02
7:25
#6059
20M
20.00 mi13:44:162:21:457:0510:31
7:44
#6163
21M
21.00 mi13:52:262:29:557:088:10
8:10
#6218
35K
21.75 mi13:57:562:35:257:095:30
7:21
#6241
23M
23.00 mi14:08:042:45:337:1210:08
8:06
#6390
24M
24.00 mi14:16:062:53:357:148:02
8:02
#6532
40K
24.85 mi14:23:193:00:487:167:13
8:26
#6690
25.2M
25.20 mi14:26:273:03:567:183:08
9:05
#6756
Finish
26.22 mi14:34:293:11:587:208:02
7:53
#6889
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8358720272025882(Top 22%)5370(Top 35%)5370(Top 102%)
10K6.21 mi3.10 mi6711+16476045+11576045+11574667(Top 18%)4351(Top 29%)4351(Top 82%)
15K9.32 mi3.11 mi6416+2955800+2455800+2455882(Top 22%)5370(Top 35%)5370(Top 102%)
20K12.43 mi3.11 mi6233+1835656+1445656+1445749(Top 22%)5272(Top 35%)5272(Top 100%)
Half13.11 mi0.68 mi6164+695608+485608+484824(Top 18%)4486(Top 30%)4486(Top 85%)
25K15.53 mi2.42 mi6005+1595486+1225486+1225304(Top 20%)4891(Top 32%)4891(Top 93%)
30K18.64 mi3.11 mi6059-545508-225508-226677(Top 25%)5851(Top 39%)5851(Top 111%)
20M20.00 mi1.36 mi6163-1045572-645572-648407(Top 32%)6832(Top 45%)6832(Top 129%)
21M21.00 mi1.00 mi6218-555604-325604-328385(Top 31%)6691(Top 44%)6691(Top 127%)
35K21.75 mi0.75 mi6241-235618-145618-147440(Top 28%)6144(Top 40%)6144(Top 116%)
23M23.00 mi1.25 mi6390-1495716-985716-9810361(Top 39%)7651(Top 50%)7651(Top 145%)
24M24.00 mi1.00 mi6532-1425811-955811-9511423(Top 43%)8099(Top 53%)8099(Top 153%)
40K24.85 mi0.85 mi6690-1585903-925903-9212921(Top 49%)8727(Top 58%)8727(Top 165%)
25.2M25.20 mi0.35 mi6756-665937-345937-3412899(Top 48%)8679(Top 57%)8679(Top 164%)
Finish26.22 mi1.02 mi6889-1336002-656002-6511241(Top 42%)7898(Top 52%)7898(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5882

Males

5370

M18-39

5370

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4667

Males

4351

M18-39

4351

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5882

Males

5370

M18-39

5370

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5749

Males

5272

M18-39

5272

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4824

Males

4486

M18-39

4486

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5304

Males

4891

M18-39

4891

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6677

Males

5851

M18-39

5851

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8407

Males

6832

M18-39

6832

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8385

Males

6691

M18-39

6691

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7440

Males

6144

M18-39

6144

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10361

Males

7651

M18-39

7651

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11423

Males

8099

M18-39

8099

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12921

Males

8727

M18-39

8727

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12899

Males

8679

M18-39

8679

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11241

Males

7898

M18-39

7898

Passing Analysis

Category:
Athletes Passed
2727
Passed By
1258
Net Change
+1469
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8358
5K → 10K16481+1647#8358#6711
10K → 15K31722+295#6711#6416
15K → 20K20623+183#6416#6233
20K → Half712+69#6233#6164
Half → 25K17415+159#6164#6005
25K → 30K114168-54#6005#6059
30K → 20M32136-104#6059#6163
20M → 21M3590-55#6163#6218
21M → 35K1942-23#6218#6241
35K → 23M37186-149#6241#6390
23M → 24M20162-142#6390#6532
24M → 40K23181-158#6532#6690
40K → 25.2M1379-66#6690#6756
25.2M → Finish18151-133#6756#6889
TOTALS27271258+1469
📊

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