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BOSTON MARATHON 2025

Gonzalo Perez De Arce

Bib: 20349•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:59
Rank: #16909
Start → 5K
8:02/mi
24:59 split
10K· 6.21 mi
50:03
Rank: #16938 (-29)
5K → 10K
8:04/mi
25:04 split
15K· 9.32 mi
1:15:23
Rank: #16980 (-42)
10K → 15K
8:09/mi
25:20 split
20K· 12.43 mi
1:41:25
Rank: #17104 (-124)
15K → 20K
8:23/mi
26:02 split
Half· 13.11 mi
1:46:51
Rank: #17019 (+85)
20K → Half
7:58/mi
5:26 split
25K· 15.53 mi
2:08:55
Rank: #17585 (-566)
Half → 25K
9:06/mi
22:04 split
30K· 18.64 mi
2:38:25
Rank: #18099 (-514)
25K → 30K
9:30/mi
29:30 split
20M
2:51:40
Rank: #18326 (-227)
30K → 20M
9:45/mi
13:15 split
21M
3:02:23
Rank: #18520 (-194)
20M → 21M
10:43/mi
10:43 split
35K· 21.75 mi
3:09:24
Rank: #18599 (-79)
21M → 35K
9:23/mi
7:01 split
23M
3:20:40
Rank: #18420 (+179)
35K → 23M
9:00/mi
11:16 split
24M
3:29:11
Rank: #18239 (+181)
23M → 24M
8:31/mi
8:31 split
40K· 24.85 mi
3:36:31
Rank: #18078 (+161)
24M → 40K
8:35/mi
7:20 split
25.2M
3:39:59
Rank: #18075 (+3)
40K → 25.2M
10:03/mi
3:28 split
Finish· 26.22 mi
3:48:18
Rank: #17909 (+166)
25.2M → Finish
8:10/mi
8:19 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:51
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time2:01:27
Pace9:16 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4024:598:0224:59
8:02
-
10K
6.21 mi11:43:4450:038:0325:04
8:04
+0:02
15K
9.32 mi12:09:041:15:238:0525:20
8:09
+0:05
20K
12.43 mi12:35:061:41:258:1026:02
8:23
+0:14
Half
13.11 mi12:40:321:46:518:095:26
7:58
-0:25
25K
15.53 mi13:02:362:08:558:1822:04
9:06
+1:08
30K
18.64 mi13:32:062:38:258:3029:30
9:30
+0:24
20M
20.00 mi13:45:212:51:408:3513:15
9:45
+0:15
21M
21.00 mi13:56:043:02:238:4110:43
10:43
+0:58
35K
21.75 mi14:03:053:09:248:437:01
9:23
-1:20
23M
23.00 mi14:14:213:20:408:4311:16
9:00
-0:23
24M
24.00 mi14:22:523:29:118:438:31
8:31
-0:29
40K
24.85 mi14:30:123:36:318:437:20
8:35
+0:04
25.2M
25.20 mi14:33:403:39:598:443:28
10:03
+1:28
Finish
26.22 mi14:41:593:48:188:438:19
8:10
-1:53

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

7:58 /mi

Average Pace

8:43 /mi

Slowest Pace

10:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:08

39% of race

Time at Steady Pace

41:53

18% of race

Time at Slower Pace

1:37:17

43% of race

Average Pace: 8:42 /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 mi11:18:4024:598:0224:59
8:02
#16909
10K
6.21 mi11:43:4450:038:0325:04
8:04
#16938
15K
9.32 mi12:09:041:15:238:0525:20
8:09
#16980
20K
12.43 mi12:35:061:41:258:1026:02
8:23
#17104
Half
13.11 mi12:40:321:46:518:095:26
7:58
#17019
25K
15.53 mi13:02:362:08:558:1822:04
9:06
#17585
30K
18.64 mi13:32:062:38:258:3029:30
9:30
#18099
20M
20.00 mi13:45:212:51:408:3513:15
9:45
#18326
21M
21.00 mi13:56:043:02:238:4110:43
10:43
#18520
35K
21.75 mi14:03:053:09:248:437:01
9:23
#18599
23M
23.00 mi14:14:213:20:408:4311:16
9:00
#18420
24M
24.00 mi14:22:523:29:118:438:31
8:31
#18239
40K
24.85 mi14:30:123:36:318:437:20
8:35
#18078
25.2M
25.20 mi14:33:403:39:598:443:28
10:03
#18075
Finish
26.22 mi14:41:593:48:188:438:19
8:10
#17909
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16909111711117117100(Top 60%)11262(Top 70%)11262(Top 895%)
10K6.21 mi3.10 mi16938-2911203-3211203-3216968(Top 60%)11231(Top 70%)11231(Top 892%)
15K9.32 mi3.11 mi16980-4211228-2511228-2517100(Top 60%)11262(Top 70%)11262(Top 895%)
20K12.43 mi3.11 mi17104-12411248-2011248-2017421(Top 61%)11357(Top 71%)11357(Top 902%)
Half13.11 mi0.68 mi17019+8511209+3911209+3915589(Top 55%)10617(Top 66%)10617(Top 843%)
25K15.53 mi2.42 mi17585-56611425-21611425-21620356(Top 72%)12569(Top 78%)12569(Top 998%)
30K18.64 mi3.11 mi18099-51411595-17011595-17019913(Top 70%)12244(Top 76%)12244(Top 973%)
20M20.00 mi1.36 mi18326-22711675-8011675-8020102(Top 71%)12195(Top 76%)12195(Top 969%)
21M21.00 mi1.00 mi18520-19411734-5911734-5920631(Top 73%)12315(Top 76%)12315(Top 978%)
35K21.75 mi0.75 mi18599-7911754-2011754-2019857(Top 70%)11898(Top 74%)11898(Top 945%)
23M23.00 mi1.25 mi18420+17911652+10211652+10216232(Top 57%)10179(Top 63%)10179(Top 808%)
24M24.00 mi1.00 mi18239+18111539+11311539+11314608(Top 51%)9421(Top 58%)9421(Top 748%)
40K24.85 mi0.85 mi18078+16111443+9611443+9613922(Top 49%)8971(Top 56%)8971(Top 713%)
25.2M25.20 mi0.35 mi18075+311431+1211431+1217230(Top 61%)10471(Top 65%)10471(Top 832%)
Finish26.22 mi1.02 mi17909+16611342+8911342+8914009(Top 49%)9029(Top 56%)9029(Top 717%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

17100

Males

11262

M60-64

11262

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16968

Males

11231

M60-64

11231

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

17100

Males

11262

M60-64

11262

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17421

Males

11357

M60-64

11357

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15589

Males

10617

M60-64

10617

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20356

Males

12569

M60-64

12569

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19913

Males

12244

M60-64

12244

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

20102

Males

12195

M60-64

12195

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20631

Males

12315

M60-64

12315

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

19857

Males

11898

M60-64

11898

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16232

Males

10179

M60-64

10179

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14608

Males

9421

M60-64

9421

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13922

Males

8971

M60-64

8971

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17230

Males

10471

M60-64

10471

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

14009

Males

9029

M60-64

9029

Passing Analysis

Category:
Athletes Passed
1776
Passed By
2776
Net Change
-1000
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16909
5K → 10K283312-29#16909#16938
10K → 15K186228-42#16938#16980
15K → 20K152276-124#16980#17104
20K → Half872+85#17104#17019
Half → 25K57623-566#17019#17585
25K → 30K104618-514#17585#18099
30K → 20M56283-227#18099#18326
20M → 21M57251-194#18326#18520
21M → 35K32111-79#18520#18599
35K → 23M20122+179#18599#18420
23M → 24M1843+181#18420#18239
24M → 40K1687+161#18239#18078
40K → 25.2M3128+3#18078#18075
25.2M → Finish17812+166#18075#17909
TOTALS17762776-1000
📊

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