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BOSTON MARATHON 2023

David Gonzalez

Bib: 31853•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
7:50/mi
24:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
46:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:09:58
↑ 67↓ 78
20K· 12.43 mi
7:20/mi
1:32:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:37:40
↑ 19↓ 370.5%
25K· 15.53 mi
7:43/mi
1:56:23
↑ 66↓ 880.2%
30K· 18.64 mi
8:03/mi
2:21:25
↑ 181↓ 1480.2%
20M
8:06/mi
2:32:26
↑ 64↓ 500.2%
21M
8:56/mi
2:41:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:47:31
↑ 17↓ 861.7%
23M
8:51/mi
2:58:36
↑ 23↓ 630.6%
24M
8:55/mi
3:07:31
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:14:53
↓ 200.3%
25.2M
9:17/mi
3:18:05
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:26:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:40
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:48:42
Pace8:18 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3424:207:5024:20
7:50
-
10K
6.21 mi12:07:1246:587:3422:38
7:17
-0:33
15K
9.32 mi12:30:121:09:587:3023:00
7:24
+0:07
20K
12.43 mi12:52:581:32:447:2822:46
7:20
-0:04
Half
13.11 mi12:57:541:37:407:274:56
7:14
-0:06
25K
15.53 mi13:16:371:56:237:3018:43
7:43
+0:29
30K
18.64 mi13:41:392:21:257:3525:02
8:03
+0:20
20M
20.00 mi13:52:402:32:267:3711:01
8:06
+0:03
21M
21.00 mi14:01:362:41:227:418:56
8:56
+0:50
35K
21.75 mi14:07:452:47:317:426:09
8:13
-0:43
23M
23.00 mi14:18:502:58:367:4611:05
8:51
+0:38
24M
24.00 mi14:27:453:07:317:498:55
8:55
+0:04
40K
24.85 mi14:35:073:14:537:507:22
8:37
-0:18
25.2M
25.20 mi14:38:193:18:057:523:12
9:17
+0:40
Finish
26.22 mi14:46:363:26:227:538:17
8:08
-1:09

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

7:14 /mi

Average Pace

7:53 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:03

45% of race

Time at Steady Pace

1:14:49

36% of race

Time at Slower Pace

39:30

19% of race

Average Pace: 7:52 /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 mi11:44:3424:207:5024:20
7:50
#12659
10K
6.21 mi12:07:1246:587:3422:38
7:17
#10545
15K
9.32 mi12:30:121:09:587:3023:00
7:24
#10119
20K
12.43 mi12:52:581:32:447:2822:46
7:20
#9505
Half
13.11 mi12:57:541:37:407:274:56
7:14
#9425
25K
15.53 mi13:16:371:56:237:3018:43
7:43
#9575
30K
18.64 mi13:41:392:21:257:3525:02
8:03
#9872
20M
20.00 mi13:52:402:32:267:3711:01
8:06
#9913
21M
21.00 mi14:01:362:41:227:418:56
8:56
#10090
35K
21.75 mi14:07:452:47:317:426:09
8:13
#10218
23M
23.00 mi14:18:502:58:367:4611:05
8:51
#10525
24M
24.00 mi14:27:453:07:317:498:55
8:55
#10841
40K
24.85 mi14:35:073:14:537:507:22
8:37
#10973
25.2M
25.20 mi14:38:193:18:057:523:12
9:17
#11007
Finish
26.22 mi14:46:363:26:227:538:17
8:08
#11079
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi12659938393839357(Top 35%)7781(Top 51%)7781(Top 147%)
10K6.21 mi3.10 mi10545+21148439+9448439+9448763(Top 33%)7429(Top 49%)7429(Top 141%)
15K9.32 mi3.11 mi10119+4268234+2058234+2059357(Top 35%)7781(Top 51%)7781(Top 147%)
20K12.43 mi3.11 mi9505+6147864+3707864+3707997(Top 30%)6891(Top 45%)6891(Top 130%)
Half13.11 mi0.68 mi9425+807810+547810+548105(Top 30%)6977(Top 46%)6977(Top 132%)
25K15.53 mi2.42 mi9575-1507884-747884-7410444(Top 39%)8228(Top 54%)8228(Top 156%)
30K18.64 mi3.11 mi9872-2978026-1428026-14211347(Top 43%)8518(Top 56%)8518(Top 161%)
20M20.00 mi1.36 mi9913-418021+58021+511055(Top 42%)8276(Top 55%)8276(Top 157%)
21M21.00 mi1.00 mi10090-1778091-708091-7012997(Top 49%)9030(Top 60%)9030(Top 171%)
35K21.75 mi0.75 mi10218-1288138-478138-4713532(Top 51%)9192(Top 61%)9192(Top 174%)
23M23.00 mi1.25 mi10525-3078249-1118249-11115252(Top 57%)9909(Top 65%)9909(Top 187%)
24M24.00 mi1.00 mi10841-3168379-1308379-13016813(Top 63%)10535(Top 69%)10535(Top 199%)
40K24.85 mi0.85 mi10973-1328420-418420-4114015(Top 53%)9237(Top 61%)9237(Top 175%)
25.2M25.20 mi0.35 mi11007-348422-28422-214004(Top 53%)9222(Top 61%)9222(Top 174%)
Finish26.22 mi1.02 mi11079-728439-178439-1712941(Top 49%)8738(Top 58%)8738(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9357

Males

7781

M18-39

7781

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8763

Males

7429

M18-39

7429

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9357

Males

7781

M18-39

7781

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7997

Males

6891

M18-39

6891

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8105

Males

6977

M18-39

6977

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10444

Males

8228

M18-39

8228

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11347

Males

8518

M18-39

8518

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11055

Males

8276

M18-39

8276

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12997

Males

9030

M18-39

9030

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13532

Males

9192

M18-39

9192

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15252

Males

9909

M18-39

9909

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16813

Males

10535

M18-39

10535

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14015

Males

9237

M18-39

9237

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14004

Males

9222

M18-39

9222

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

12941

Males

8738

M18-39

8738

Passing Analysis

Category:
Athletes Passed
3750*
Passed By
2168
Net Change
+1580
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12659
5K → 10K2126*12+2114#12659#10545
10K → 15K47145+426#10545#10119
15K → 20K617*3+614#10119#9505
20K → Half844+80#9505#9425
Half → 25K75225-150#9425#9575
25K → 30K87*384-297#9575#9872
30K → 20M74115-41#9872#9913
20M → 21M41216-177#9913#10090
21M → 35K22150-128#10090#10218
35K → 23M29336-307#10218#10525
23M → 24M20336-316#10525#10841
24M → 40K29161-132#10841#10973
40K → 25.2M2963-34#10973#11007
25.2M → Finish46118-72#11007#11079
TOTALS3750*2168+1580

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

📊

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