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BOSTON MARATHON 2023

Martin Espelosin

Bib: 12154•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:15
Rank: #9481
Start → 5K
23:15 | 7:29/mi
10K· 6.21 mi
45:39
Rank: #8781 (+700)
5K → 10K
22:24 | 7:13/mi
15K· 9.32 mi
1:08:21
Rank: #8709 (+72)
10K → 15K
22:42 | 7:18/mi
20K· 12.43 mi
1:31:39
Rank: #8805 (-96)
15K → 20K
23:18 | 7:30/mi
Half· 13.11 mi
1:36:46
Rank: #8866 (-61)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:55:23
Rank: #9042 (-176)
Half → 25K
18:37 | 7:41/mi
30K· 18.64 mi
2:19:49
Rank: #9160 (-118)
25K → 30K
24:26 | 7:52/mi
20M
2:30:38
Rank: #9202 (-42)
30K → 20M
10:49 | 7:58/mi
21M
2:39:20
Rank: #9321 (-119)
20M → 21M
8:42 | 8:42/mi
35K· 21.75 mi
2:45:15
Rank: #9387 (-66)
21M → 35K
5:55 | 7:55/mi
23M
2:55:29
Rank: #9445 (-58)
35K → 23M
10:14 | 8:10/mi
24M
3:03:32
Rank: #9537 (-92)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:10:42
Rank: #9602 (-65)
24M → 40K
7:10 | 8:23/mi
25.2M
3:13:58
Rank: #9700 (-98)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:22:39
Rank: #9937 (-237)
25.2M → Finish
8:41 | 8:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:46
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:45:53
Pace8:05 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3923:157:2923:15
7:29
-
10K
6.21 mi11:13:0345:397:2122:24
7:13
-0:16
15K
9.32 mi11:35:451:08:217:2022:42
7:18
+0:05
20K
12.43 mi11:59:031:31:397:2223:18
7:30
+0:12
Half
13.11 mi12:04:101:36:467:235:07
7:30
0:00
25K
15.53 mi12:22:471:55:237:2618:37
7:41
+0:11
30K
18.64 mi12:47:132:19:497:3024:26
7:52
+0:11
20M
20.00 mi12:58:022:30:387:3210:49
7:58
+0:06
21M
21.00 mi13:06:442:39:207:358:42
8:42
+0:44
35K
21.75 mi13:12:392:45:157:365:55
7:55
-0:47
23M
23.00 mi13:22:532:55:297:3810:14
8:10
+0:15
24M
24.00 mi13:30:563:03:327:398:03
8:03
-0:07
40K
24.85 mi13:38:063:10:427:407:10
8:23
+0:20
25.2M
25.20 mi13:41:223:13:587:423:16
9:28
+1:05
Finish
26.22 mi13:50:033:22:397:448:41
8:31
-0:57

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

7:13 /mi

Average Pace

7:44 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:46

48% of race

Time at Steady Pace

1:18:04

39% of race

Time at Slower Pace

27:49

14% of race

Average Pace: 7:44 /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 mi10:50:3923:157:2923:15
7:29
#9481
10K
6.21 mi11:13:0345:397:2122:24
7:13
#8781
15K
9.32 mi11:35:451:08:217:2022:42
7:18
#8709
20K
12.43 mi11:59:031:31:397:2223:18
7:30
#8805
Half
13.11 mi12:04:101:36:467:235:07
7:30
#8866
25K
15.53 mi12:22:471:55:237:2618:37
7:41
#9042
30K
18.64 mi12:47:132:19:497:3024:26
7:52
#9160
20M
20.00 mi12:58:022:30:387:3210:49
7:58
#9202
21M
21.00 mi13:06:442:39:207:358:42
8:42
#9321
35K
21.75 mi13:12:392:45:157:365:55
7:55
#9387
23M
23.00 mi13:22:532:55:297:3810:14
8:10
#9445
24M
24.00 mi13:30:563:03:327:398:03
8:03
#9537
40K
24.85 mi13:38:063:10:427:407:10
8:23
#9602
25.2M
25.20 mi13:41:223:13:587:423:16
9:28
#9700
Finish
26.22 mi13:50:033:22:397:448:41
8:31
#9937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9481786078608604(Top 32%)7313(Top 48%)7313(Top 325%)
10K6.21 mi3.10 mi8781+7007452+4087452+4088170(Top 31%)7060(Top 47%)7060(Top 313%)
15K9.32 mi3.11 mi8709+727387+657387+658604(Top 32%)7313(Top 48%)7313(Top 325%)
20K12.43 mi3.11 mi8805-967439-527439-529297(Top 35%)7688(Top 51%)7688(Top 341%)
Half13.11 mi0.68 mi8866-617472-337472-3310190(Top 38%)8202(Top 54%)8202(Top 364%)
25K15.53 mi2.42 mi9042-1767571-997571-9910121(Top 38%)8055(Top 53%)8055(Top 358%)
30K18.64 mi3.11 mi9160-1187601-307601-309847(Top 37%)7747(Top 51%)7747(Top 344%)
20M20.00 mi1.36 mi9202-42760176019947(Top 37%)7729(Top 51%)7729(Top 343%)
21M21.00 mi1.00 mi9321-1197647-467647-4611626(Top 44%)8393(Top 55%)8393(Top 373%)
35K21.75 mi0.75 mi9387-667671-247671-2411412(Top 43%)8302(Top 55%)8302(Top 369%)
23M23.00 mi1.25 mi9445-587689-187689-1810960(Top 41%)7941(Top 52%)7941(Top 353%)
24M24.00 mi1.00 mi9537-927711-227711-2211550(Top 43%)8173(Top 54%)8173(Top 363%)
40K24.85 mi0.85 mi9602-657721-107721-1012556(Top 47%)8564(Top 56%)8564(Top 380%)
25.2M25.20 mi0.35 mi9700-987760-397760-3914971(Top 56%)9647(Top 64%)9647(Top 428%)
Finish26.22 mi1.02 mi9937-2377859-997859-9915517(Top 58%)9944(Top 66%)9944(Top 442%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8604

Males

7313

M45-49

7313

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8170

Males

7060

M45-49

7060

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8604

Males

7313

M45-49

7313

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9297

Males

7688

M45-49

7688

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10190

Males

8202

M45-49

8202

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10121

Males

8055

M45-49

8055

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9847

Males

7747

M45-49

7747

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9947

Males

7729

M45-49

7729

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11626

Males

8393

M45-49

8393

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11412

Males

8302

M45-49

8302

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10960

Males

7941

M45-49

7941

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11550

Males

8173

M45-49

8173

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12556

Males

8564

M45-49

8564

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14971

Males

9647

M45-49

9647

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15517

Males

9944

M45-49

9944

Passing Analysis

Category:
Athletes Passed
1557*
Passed By
2013
Net Change
-456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9481
5K → 10K75454+700#9481#8781
10K → 15K181109+72#8781#8709
15K → 20K93189-96#8709#8805
20K → Half1071-61#8805#8866
Half → 25K61237-176#8866#9042
25K → 30K128246-118#9042#9160
30K → 20M68110-42#9160#9202
20M → 21M52171-119#9202#9321
21M → 35K2894-66#9321#9387
35K → 23M68126-58#9387#9445
23M → 24M43135-92#9445#9537
24M → 40K34*99-65#9537#9602
40K → 25.2M14112-98#9602#9700
25.2M → Finish23*260-237#9700#9937
TOTALS1557*2013-456

* 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