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BOSTON MARATHON 2023

Ignacio Chavez Diaz

Bib: 8959•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 38%
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
23:19
Rank: #9664
Start → 5K
23:19 | 7:30/mi
10K· 6.21 mi
46:05
Rank: #9304 (+360)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:08:47
Rank: #9043 (+261)
10K → 15K
22:42 | 7:18/mi
20K· 12.43 mi
1:31:41
Rank: #8834 (+209)
15K → 20K
22:54 | 7:22/mi
Half· 13.11 mi
1:36:38
Rank: #8786 (+48)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:54:53
Rank: #8804 (-18)
Half → 25K
18:15 | 7:32/mi
30K· 18.64 mi
2:20:03
Rank: #9255 (-451)
25K → 30K
25:10 | 8:06/mi
20M
2:30:55
Rank: #9322 (-67)
30K → 20M
10:52 | 8:00/mi
21M
2:39:02
Rank: #9206 (+116)
20M → 21M
8:07 | 8:07/mi
35K· 21.75 mi
2:44:32
Rank: #9123 (+83)
21M → 35K
5:30 | 7:21/mi
23M
2:54:37
Rank: #9169 (-46)
35K → 23M
10:05 | 8:03/mi
24M
3:02:28
Rank: #9177 (-8)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
3:09:17
Rank: #9169 (+8)
24M → 40K
6:49 | 7:58/mi
25.2M
3:12:20
Rank: #9206 (-37)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:20:15
Rank: #9260 (-54)
25.2M → Finish
7:55 | 7:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:38
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:43:37
Pace7:54 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3523:197:3023:19
7:30
-
10K
6.21 mi11:11:2146:057:2522:46
7:20
-0:10
15K
9.32 mi11:34:031:08:477:2322:42
7:18
-0:02
20K
12.43 mi11:56:571:31:417:2322:54
7:22
+0:04
Half
13.11 mi12:01:541:36:387:224:57
7:15
-0:07
25K
15.53 mi12:20:091:54:537:2418:15
7:32
+0:17
30K
18.64 mi12:45:192:20:037:3125:10
8:06
+0:34
20M
20.00 mi12:56:112:30:557:3310:52
8:00
-0:06
21M
21.00 mi13:04:182:39:027:348:07
8:07
+0:07
35K
21.75 mi13:09:482:44:327:345:30
7:21
-0:46
23M
23.00 mi13:19:532:54:377:3610:05
8:03
+0:42
24M
24.00 mi13:27:443:02:287:367:51
7:51
-0:12
40K
24.85 mi13:34:333:09:177:376:49
7:58
+0:07
25.2M
25.20 mi13:37:363:12:207:383:03
8:51
+0:53
Finish
26.22 mi13:45:313:20:157:397:55
7:46
-1:05

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

7:15 /mi

Average Pace

7:39 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:23

60% of race

Time at Steady Pace

22:35

11% of race

Time at Slower Pace

57:17

29% of race

Average Pace: 7:38 /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 mi10:48:3523:197:3023:19
7:30
#9664
10K
6.21 mi11:11:2146:057:2522:46
7:20
#9304
15K
9.32 mi11:34:031:08:477:2322:42
7:18
#9043
20K
12.43 mi11:56:571:31:417:2322:54
7:22
#8834
Half
13.11 mi12:01:541:36:387:224:57
7:15
#8786
25K
15.53 mi12:20:091:54:537:2418:15
7:32
#8804
30K
18.64 mi12:45:192:20:037:3125:10
8:06
#9255
20M
20.00 mi12:56:112:30:557:3310:52
8:00
#9322
21M
21.00 mi13:04:182:39:027:348:07
8:07
#9206
35K
21.75 mi13:09:482:44:327:345:30
7:21
#9123
23M
23.00 mi13:19:532:54:377:3610:05
8:03
#9169
24M
24.00 mi13:27:443:02:287:367:51
7:51
#9177
40K
24.85 mi13:34:333:09:177:376:49
7:58
#9169
25.2M
25.20 mi13:37:363:12:207:383:03
8:51
#9206
Finish
26.22 mi13:45:313:20:157:397:55
7:46
#9260
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi9664796379638597(Top 32%)7306(Top 48%)7306(Top 326%)
10K6.21 mi3.10 mi9304+3607758+2057758+2059060(Top 34%)7617(Top 50%)7617(Top 340%)
15K9.32 mi3.11 mi9043+2617587+1717587+1718597(Top 32%)7306(Top 48%)7306(Top 326%)
20K12.43 mi3.11 mi8834+2097455+1327455+1328297(Top 31%)7075(Top 47%)7075(Top 316%)
Half13.11 mi0.68 mi8786+487423+327423+328247(Top 31%)7061(Top 47%)7061(Top 315%)
25K15.53 mi2.42 mi8804-187418+57418+58970(Top 34%)7417(Top 49%)7417(Top 331%)
30K18.64 mi3.11 mi9255-4517657-2397657-23911625(Top 44%)8630(Top 57%)8630(Top 385%)
20M20.00 mi1.36 mi9322-677666-97666-910206(Top 38%)7859(Top 52%)7859(Top 351%)
21M21.00 mi1.00 mi9206+1167576+907576+908108(Top 30%)6544(Top 43%)6544(Top 292%)
35K21.75 mi0.75 mi9123+837514+627514+627487(Top 28%)6191(Top 41%)6191(Top 276%)
23M23.00 mi1.25 mi9169-467515-17515-110106(Top 38%)7537(Top 50%)7537(Top 336%)
24M24.00 mi1.00 mi9177-87501+147501+1410121(Top 38%)7455(Top 49%)7455(Top 333%)
40K24.85 mi0.85 mi9169+87469+327469+329839(Top 37%)7255(Top 48%)7255(Top 324%)
25.2M25.20 mi0.35 mi9206-377480-117480-1111502(Top 43%)8016(Top 53%)8016(Top 358%)
Finish26.22 mi1.02 mi9260-547486-67486-610417(Top 39%)7501(Top 49%)7501(Top 335%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8597

Males

7306

M40-44

7306

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9060

Males

7617

M40-44

7617

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8597

Males

7306

M40-44

7306

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8297

Males

7075

M40-44

7075

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8247

Males

7061

M40-44

7061

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

8970

Males

7417

M40-44

7417

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11625

Males

8630

M40-44

8630

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10206

Males

7859

M40-44

7859

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8108

Males

6544

M40-44

6544

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7487

Males

6191

M40-44

6191

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10106

Males

7537

M40-44

7537

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10121

Males

7455

M40-44

7455

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9839

Males

7255

M40-44

7255

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11502

Males

8016

M40-44

8016

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10417

Males

7501

M40-44

7501

Passing Analysis

Category:
Athletes Passed
1803
Passed By
1399
Net Change
+404
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9664
5K → 10K497137+360#9664#9304
10K → 15K31453+261#9304#9043
15K → 20K24637+209#9043#8834
20K → Half535+48#8834#8786
Half → 25K95113-18#8786#8804
25K → 30K70521-451#8804#9255
30K → 20M50117-67#9255#9322
20M → 21M14529+116#9322#9206
21M → 35K885+83#9206#9123
35K → 23M72118-46#9123#9169
23M → 24M5563-8#9169#9177
24M → 40K6557+8#9177#9169
40K → 25.2M1451-37#9169#9206
25.2M → Finish3993-54#9206#9260
TOTALS18031399+404
📊

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