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BOSTON MARATHON 2023

Brandon Ghrist

Bib: 9494•M

KY

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:34
Rank: #10397
Start → 5K
23:34 | 7:35/mi
10K· 6.21 mi
46:34
Rank: #9974 (+423)
5K → 10K
23:00 | 7:24/mi
15K· 9.32 mi
1:09:50
Rank: #9964 (+10)
10K → 15K
23:16 | 7:29/mi
20K· 12.43 mi
1:34:40
Rank: #10850 (-886)
15K → 20K
24:50 | 8:00/mi
Half· 13.11 mi
1:39:57
Rank: #10935 (-85)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
1:59:39
Rank: #11320 (-385)
Half → 25K
19:42 | 8:08/mi
30K· 18.64 mi
2:26:33
Rank: #12134 (-814)
25K → 30K
26:54 | 8:39/mi
20M
2:38:34
Rank: #12446 (-312)
30K → 20M
12:01 | 8:51/mi
21M
2:48:02
Rank: #12677 (-231)
20M → 21M
9:28 | 9:28/mi
35K· 21.75 mi
2:55:27
Rank: #13154 (-477)
21M → 35K
7:25 | 9:55/mi
23M
3:07:31
Rank: #13607 (-453)
35K → 23M
12:04 | 9:38/mi
24M
3:17:05
Rank: #13959 (-352)
23M → 24M
9:34 | 9:34/mi
40K· 24.85 mi
3:25:17
Rank: #14206 (-247)
24M → 40K
8:12 | 9:35/mi
25.2M
3:28:52
Rank: #14298 (-92)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:37:32
Rank: #14317 (-19)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:57
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:57:35
Pace8:58 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3623:347:3523:34
7:35
-
10K
6.21 mi11:12:3646:347:3023:00
7:24
-0:11
15K
9.32 mi11:35:521:09:507:3023:16
7:29
+0:05
20K
12.43 mi12:00:421:34:407:3724:50
8:00
+0:31
Half
13.11 mi12:05:591:39:577:375:17
7:45
-0:15
25K
15.53 mi12:25:411:59:397:4219:42
8:08
+0:23
30K
18.64 mi12:52:352:26:337:5226:54
8:39
+0:31
20M
20.00 mi13:04:362:38:347:5612:01
8:51
+0:12
21M
21.00 mi13:14:042:48:028:009:28
9:28
+0:37
35K
21.75 mi13:21:292:55:278:047:25
9:55
+0:27
23M
23.00 mi13:33:333:07:318:0912:04
9:38
-0:17
24M
24.00 mi13:43:073:17:058:139:34
9:34
-0:04
40K
24.85 mi13:51:193:25:178:168:12
9:35
+0:01
25.2M
25.20 mi13:54:543:28:528:173:35
10:23
+0:48
Finish
26.22 mi14:03:343:37:328:188:40
8:30
-1:53

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

7:24 /mi

Average Pace

8:18 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:39

55% of race

Time at Steady Pace

47:35

22% of race

Time at Slower Pace

50:18

23% of race

Average Pace: 8:18 /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 mi10:49:3623:347:3523:34
7:35
#10397
10K
6.21 mi11:12:3646:347:3023:00
7:24
#9974
15K
9.32 mi11:35:521:09:507:3023:16
7:29
#9964
20K
12.43 mi12:00:421:34:407:3724:50
8:00
#10850
Half
13.11 mi12:05:591:39:577:375:17
7:45
#10935
25K
15.53 mi12:25:411:59:397:4219:42
8:08
#11320
30K
18.64 mi12:52:352:26:337:5226:54
8:39
#12134
20M
20.00 mi13:04:362:38:347:5612:01
8:51
#12446
21M
21.00 mi13:14:042:48:028:009:28
9:28
#12677
35K
21.75 mi13:21:292:55:278:047:25
9:55
#13154
23M
23.00 mi13:33:333:07:318:0912:04
9:38
#13607
24M
24.00 mi13:43:073:17:058:139:34
9:34
#13959
40K
24.85 mi13:51:193:25:178:168:12
9:35
#14206
25.2M
25.20 mi13:54:543:28:528:173:35
10:23
#14298
Finish
26.22 mi14:03:343:37:328:188:40
8:30
#14317
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi103978356835610086(Top 38%)8195(Top 54%)8195(Top 366%)
10K6.21 mi3.10 mi9974+4238133+2238133+2239654(Top 36%)7966(Top 52%)7966(Top 355%)
15K9.32 mi3.11 mi9964+108142-98142-910086(Top 38%)8195(Top 54%)8195(Top 366%)
20K12.43 mi3.11 mi10850-8868570-4288570-42813353(Top 50%)9604(Top 63%)9604(Top 429%)
Half13.11 mi0.68 mi10935-858616-468616-4612223(Top 46%)9177(Top 60%)9177(Top 410%)
25K15.53 mi2.42 mi11320-3858759-1438759-14313668(Top 51%)9637(Top 64%)9637(Top 430%)
30K18.64 mi3.11 mi12134-8149067-3089067-30815257(Top 57%)10148(Top 67%)10148(Top 453%)
20M20.00 mi1.36 mi12446-3129193-1269193-12615658(Top 59%)10270(Top 68%)10270(Top 458%)
21M21.00 mi1.00 mi12677-2319262-699262-6915781(Top 59%)10255(Top 68%)10255(Top 458%)
35K21.75 mi0.75 mi13154-4779454-1929454-19221013(Top 79%)12486(Top 82%)12486(Top 557%)
23M23.00 mi1.25 mi13607-4539615-1619615-16118855(Top 71%)11508(Top 76%)11508(Top 514%)
24M24.00 mi1.00 mi13959-3529709-949709-9419422(Top 73%)11717(Top 77%)11717(Top 523%)
40K24.85 mi0.85 mi14206-2479792-839792-8318617(Top 70%)11307(Top 75%)11307(Top 505%)
25.2M25.20 mi0.35 mi14298-929816-249816-2418706(Top 70%)11334(Top 75%)11334(Top 506%)
Finish26.22 mi1.02 mi14317-199806+109806+1015429(Top 58%)9914(Top 65%)9914(Top 442%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10086

Males

8195

M40-44

8195

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9654

Males

7966

M40-44

7966

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10086

Males

8195

M40-44

8195

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13353

Males

9604

M40-44

9604

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

12223

Males

9177

M40-44

9177

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13668

Males

9637

M40-44

9637

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15257

Males

10148

M40-44

10148

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15658

Males

10270

M40-44

10270

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15781

Males

10255

M40-44

10255

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

21013

Males

12486

M40-44

12486

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18855

Males

11508

M40-44

11508

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19422

Males

11717

M40-44

11717

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18617

Males

11307

M40-44

11307

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18706

Males

11334

M40-44

11334

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15429

Males

9914

M40-44

9914

Passing Analysis

Category:
Athletes Passed
1061*
Passed By
4979
Net Change
-3920
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10397
5K → 10K553*130+423#10397#9974
10K → 15K190179+10#9974#9964
15K → 20K20905-886#9964#10850
20K → Half893-85#10850#10935
Half → 25K42427-385#10935#11320
25K → 30K40854-814#11320#12134
30K → 20M34346-312#12134#12446
20M → 21M38269-231#12446#12677
21M → 35K7484-477#12677#13154
35K → 23M15468-453#13154#13607
23M → 24M15367-352#13607#13959
24M → 40K27274-247#13959#14206
40K → 25.2M9101-92#14206#14298
25.2M → Finish6382-19#14298#14317
TOTALS1061*4979-3920

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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