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BOSTON MARATHON 2023

Gonzalo Perez De Arce

Bib: 15579•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 (M55-59)
#0 / 1422
Top 22%
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
7:39/mi
23:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
47:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:10:40
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:34:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:39:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:57:38
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:22:18
↑ 181↓ 1480.2%
20M
7:55/mi
2:33:03
↑ 64↓ 500.2%
21M
8:35/mi
2:41:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:47:18
↑ 17↓ 861.7%
23M
7:57/mi
2:57:15
↑ 23↓ 630.6%
24M
7:21/mi
3:04:36
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:11:17
↓ 200.3%
25.2M
9:11/mi
3:14:27
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:22:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:16
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:43:00
Pace7:51 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5323:457:3923:45
7:39
-
10K
6.21 mi11:17:2747:197:3723:34
7:35
-0:04
15K
9.32 mi11:40:481:10:407:3523:21
7:31
-0:04
20K
12.43 mi12:04:171:34:097:3523:29
7:34
+0:03
Half
13.11 mi12:09:241:39:167:345:07
7:30
-0:04
25K
15.53 mi12:27:461:57:387:3418:22
7:35
+0:05
30K
18.64 mi12:52:262:22:187:3824:40
7:56
+0:21
20M
20.00 mi13:03:112:33:037:3910:45
7:55
-0:01
21M
21.00 mi13:11:462:41:387:428:35
8:35
+0:40
35K
21.75 mi13:17:262:47:187:425:40
7:34
-1:01
23M
23.00 mi13:27:232:57:157:429:57
7:57
+0:23
24M
24.00 mi13:34:443:04:367:427:21
7:21
-0:36
40K
24.85 mi13:41:253:11:177:426:41
7:49
+0:28
25.2M
25.20 mi13:44:353:14:277:433:10
9:11
+1:22
Finish
26.22 mi13:52:243:22:167:437:49
7:40
-1:31

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

7:21 /mi

Average Pace

7:43 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:21

4% of race

Time at Steady Pace

2:17:48

68% of race

Time at Slower Pace

57:07

28% of race

Average Pace: 7:43 /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 mi10:53:5323:457:3923:45
7:39
#10949
10K
6.21 mi11:17:2747:197:3723:34
7:35
#11042
15K
9.32 mi11:40:481:10:407:3523:21
7:31
#10776
20K
12.43 mi12:04:171:34:097:3523:29
7:34
#10479
Half
13.11 mi12:09:241:39:167:345:07
7:30
#10475
25K
15.53 mi12:27:461:57:387:3418:22
7:35
#10247
30K
18.64 mi12:52:262:22:187:3824:40
7:56
#10233
20M
20.00 mi13:03:112:33:037:3910:45
7:55
#10179
21M
21.00 mi13:11:462:41:387:428:35
8:35
#10189
35K
21.75 mi13:17:262:47:187:425:40
7:34
#10135
23M
23.00 mi13:27:232:57:157:429:57
7:57
#10053
24M
24.00 mi13:34:443:04:367:427:21
7:21
#9868
40K
24.85 mi13:41:253:11:177:426:41
7:49
#9803
25.2M
25.20 mi13:44:353:14:277:433:10
9:11
#9856
Finish
26.22 mi13:52:243:22:167:437:49
7:40
#9816
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi109498630863010294(Top 39%)8300(Top 55%)8300(Top 584%)
10K6.21 mi3.10 mi11042-938679-498679-4911175(Top 42%)8739(Top 58%)8739(Top 615%)
15K9.32 mi3.11 mi10776+2668541+1388541+13810294(Top 39%)8300(Top 55%)8300(Top 584%)
20K12.43 mi3.11 mi10479+2978405+1368405+1369763(Top 37%)7938(Top 52%)7938(Top 558%)
Half13.11 mi0.68 mi10475+48401+48401+410184(Top 38%)8196(Top 54%)8196(Top 576%)
25K15.53 mi2.42 mi10247+2288261+1408261+1409347(Top 35%)7635(Top 50%)7635(Top 537%)
30K18.64 mi3.11 mi10233+148208+538208+5310419(Top 39%)8046(Top 53%)8046(Top 566%)
20M20.00 mi1.36 mi10179+548149+598149+599617(Top 36%)7533(Top 50%)7533(Top 530%)
21M21.00 mi1.00 mi10189-108139+108139+1010945(Top 41%)8090(Top 53%)8090(Top 569%)
35K21.75 mi0.75 mi10135+548097+428097+429075(Top 34%)7118(Top 47%)7118(Top 501%)
23M23.00 mi1.25 mi10053+828020+778020+779378(Top 35%)7164(Top 47%)7164(Top 504%)
24M24.00 mi1.00 mi9868+1857889+1317889+1316731(Top 25%)5570(Top 37%)5570(Top 392%)
40K24.85 mi0.85 mi9803+657820+697820+698777(Top 33%)6701(Top 44%)6701(Top 471%)
25.2M25.20 mi0.35 mi9856-537837-177837-1713454(Top 51%)8947(Top 59%)8947(Top 629%)
Finish26.22 mi1.02 mi9816+407788+497788+499768(Top 37%)7160(Top 47%)7160(Top 504%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10294

Males

8300

M55-59

8300

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11175

Males

8739

M55-59

8739

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10294

Males

8300

M55-59

8300

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9763

Males

7938

M55-59

7938

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10184

Males

8196

M55-59

8196

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9347

Males

7635

M55-59

7635

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10419

Males

8046

M55-59

8046

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9617

Males

7533

M55-59

7533

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10945

Males

8090

M55-59

8090

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9075

Males

7118

M55-59

7118

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9378

Males

7164

M55-59

7164

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6731

Males

5570

M55-59

5570

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8777

Males

6701

M55-59

6701

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13454

Males

8947

M55-59

8947

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9768

Males

7160

M55-59

7160

Passing Analysis

Category:
Athletes Passed
2172*
Passed By
1039
Net Change
+1133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10949
5K → 10K255348-93#10949#11042
10K → 15K33670+266#11042#10776
15K → 20K34043+297#10776#10479
20K → Half3834+4#10479#10475
Half → 25K25628+228#10475#10247
25K → 30K162*148+14#10247#10233
30K → 20M106*52+54#10233#10179
20M → 21M8393-10#10179#10189
21M → 35K6713+54#10189#10135
35K → 23M12341+82#10135#10053
23M → 24M1938+185#10053#9868
24M → 40K101*36+65#9868#9803
40K → 25.2M2174-53#9803#9856
25.2M → Finish91*51+40#9856#9816
TOTALS2172*1039+1133

* 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