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BOSTON MARATHON 2023

Jordan Snow

Bib: 8324•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 30%
Gender (Male)
#0 / 15176
Top 45%
Masters (Masters Men)
#0 / 9891
Top 32%
Division (M40-44)
#0 / 2241
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
6:50/mi
21:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
43:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:05:53
↑ 67↓ 78
20K· 12.43 mi
7:27/mi
1:29:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:34:06
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:52:29
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:16:47
↑ 181↓ 1480.2%
20M
8:01/mi
2:27:40
↑ 64↓ 500.2%
21M
8:13/mi
2:35:53
↑ 106↓ 241.6%
35K· 21.75 mi
7:17/mi
2:41:20
↑ 17↓ 861.7%
23M
7:54/mi
2:51:13
↑ 23↓ 630.6%
24M
7:31/mi
2:58:44
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:05:26
↓ 200.3%
25.2M
8:19/mi
3:08:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:16:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:06
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:42:01
Pace7:47 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2421:136:5021:13
6:50
-
10K
6.21 mi11:08:2743:166:5822:03
7:06
+0:16
15K
9.32 mi11:31:041:05:537:0422:37
7:17
+0:11
20K
12.43 mi11:54:131:29:027:1023:09
7:27
+0:10
Half
13.11 mi11:59:171:34:067:115:04
7:26
-0:01
25K
15.53 mi12:17:401:52:297:1418:23
7:35
+0:09
30K
18.64 mi12:41:582:16:477:2024:18
7:49
+0:14
20M
20.00 mi12:52:512:27:407:2310:53
8:01
+0:12
21M
21.00 mi13:01:042:35:537:258:13
8:13
+0:12
35K
21.75 mi13:06:312:41:207:255:27
7:17
-0:56
23M
23.00 mi13:16:242:51:137:279:53
7:54
+0:37
24M
24.00 mi13:23:552:58:447:277:31
7:31
-0:23
40K
24.85 mi13:30:373:05:267:286:42
7:50
+0:19
25.2M
25.20 mi13:33:293:08:187:282:52
8:19
+0:29
Finish
26.22 mi13:41:183:16:077:297:49
7:40
-0:39

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

6:50 /mi

Average Pace

7:29 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:20

36% of race

Time at Steady Pace

1:01:56

32% of race

Time at Slower Pace

1:02:51

32% of race

Average Pace: 7:29 /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 mi10:46:2421:136:5021:13
6:50
#4961
10K
6.21 mi11:08:2743:166:5822:03
7:06
#6300
15K
9.32 mi11:31:041:05:537:0422:37
7:17
#6893
20K
12.43 mi11:54:131:29:027:1023:09
7:27
#7304
Half
13.11 mi11:59:171:34:067:115:04
7:26
#7398
25K
15.53 mi12:17:401:52:297:1418:23
7:35
#7663
30K
18.64 mi12:41:582:16:477:2024:18
7:49
#7914
20M
20.00 mi12:52:512:27:407:2310:53
8:01
#8039
21M
21.00 mi13:01:042:35:537:258:13
8:13
#8047
35K
21.75 mi13:06:312:41:207:255:27
7:17
#7997
23M
23.00 mi13:16:242:51:137:279:53
7:54
#8037
24M
24.00 mi13:23:552:58:447:277:31
7:31
#7996
40K
24.85 mi13:30:373:05:267:286:42
7:50
#7985
25.2M
25.20 mi13:33:293:08:187:282:52
8:19
#7992
Finish
26.22 mi13:41:183:16:077:297:49
7:40
#8053
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4961460746078392(Top 32%)7170(Top 47%)7170(Top 320%)
10K6.21 mi3.10 mi6300-13395714-11075714-11077420(Top 28%)6545(Top 43%)6545(Top 292%)
15K9.32 mi3.11 mi6893-5936175-4616175-4618392(Top 32%)7170(Top 47%)7170(Top 320%)
20K12.43 mi3.11 mi7304-4116468-2936468-2938904(Top 33%)7443(Top 49%)7443(Top 332%)
Half13.11 mi0.68 mi7398-946537-696537-699540(Top 36%)7821(Top 52%)7821(Top 349%)
25K15.53 mi2.42 mi7663-2656703-1666703-1669380(Top 35%)7646(Top 50%)7646(Top 341%)
30K18.64 mi3.11 mi7914-2516821-1186821-1189507(Top 36%)7561(Top 50%)7561(Top 337%)
20M20.00 mi1.36 mi8039-1256883-626883-6210290(Top 39%)7903(Top 52%)7903(Top 353%)
21M21.00 mi1.00 mi8047-86870+136870+138676(Top 33%)6881(Top 45%)6881(Top 307%)
35K21.75 mi0.75 mi7997+506825+456825+457033(Top 26%)5918(Top 39%)5918(Top 264%)
23M23.00 mi1.25 mi8037-406828-36828-39007(Top 34%)6961(Top 46%)6961(Top 311%)
24M24.00 mi1.00 mi7996+416781+476781+477800(Top 29%)6195(Top 41%)6195(Top 276%)
40K24.85 mi0.85 mi7985+116760+216760+218880(Top 33%)6742(Top 44%)6742(Top 301%)
25.2M25.20 mi0.35 mi7992-76748+126748+128320(Top 31%)6352(Top 42%)6352(Top 283%)
Finish26.22 mi1.02 mi8053-616769-216769-219748(Top 37%)7140(Top 47%)7140(Top 319%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8392

Males

7170

M40-44

7170

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7420

Males

6545

M40-44

6545

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8392

Males

7170

M40-44

7170

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8904

Males

7443

M40-44

7443

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9540

Males

7821

M40-44

7821

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9380

Males

7646

M40-44

7646

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9507

Males

7561

M40-44

7561

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10290

Males

7903

M40-44

7903

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8676

Males

6881

M40-44

6881

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7033

Males

5918

M40-44

5918

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9007

Males

6961

M40-44

6961

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7800

Males

6195

M40-44

6195

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8880

Males

6742

M40-44

6742

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8320

Males

6352

M40-44

6352

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9748

Males

7140

M40-44

7140

Passing Analysis

Category:
Athletes Passed
620
Passed By
3712
Net Change
-3092
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4961
5K → 10K61345-1339#4961#6300
10K → 15K21614-593#6300#6893
15K → 20K27438-411#6893#7304
20K → Half498-94#7304#7398
Half → 25K33298-265#7398#7663
25K → 30K63314-251#7663#7914
30K → 20M44169-125#7914#8039
20M → 21M6775-8#8039#8047
21M → 35K7020+50#8047#7997
35K → 23M68108-40#7997#8037
23M → 24M8241+41#8037#7996
24M → 40K6352+11#7996#7985
40K → 25.2M2633-7#7985#7992
25.2M → Finish46107-61#7992#8053
TOTALS6203712-3092
📊

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