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BOSTON MARATHON 2025

Gonzalo Sanhueza

Bib: 6771•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 17%
Division (M18-39)
#0 / 5642
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:30
Rank: #4561
Start → 5K
20:30 | 6:36/mi
10K· 6.21 mi
40:58
Rank: #4438 (+123)
5K → 10K
20:28 | 6:35/mi
15K· 9.32 mi
1:01:26
Rank: #4329 (+109)
10K → 15K
20:28 | 6:35/mi
20K· 12.43 mi
1:21:55
Rank: #4096 (+233)
15K → 20K
20:29 | 6:36/mi
Half· 13.11 mi
1:26:28
Rank: #4128 (-32)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:42:29
Rank: #3972 (+156)
Half → 25K
16:01 | 6:36/mi
30K· 18.64 mi
2:03:13
Rank: #3706 (+266)
25K → 30K
20:44 | 6:40/mi
20M
2:12:18
Rank: #3571 (+135)
30K → 20M
9:05 | 6:41/mi
21M
2:19:11
Rank: #3414 (+157)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:23:45
Rank: #3259 (+155)
21M → 35K
4:34 | 6:06/mi
23M
2:32:04
Rank: #3121 (+138)
35K → 23M
8:19 | 6:39/mi
24M
2:38:36
Rank: #3029 (+92)
23M → 24M
6:32 | 6:32/mi
40K· 24.85 mi
2:44:26
Rank: #2987 (+42)
24M → 40K
5:50 | 6:49/mi
25.2M
2:47:00
Rank: #2967 (+20)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:53:50
Rank: #2973 (-6)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:28
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:27:22
Pace6:40 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:2720:306:3620:30
6:36
-
10K
6.21 mi10:47:5540:586:3620:28
6:35
-0:01
15K
9.32 mi11:08:231:01:266:3520:28
6:35
0:00
20K
12.43 mi11:28:521:21:556:3520:29
6:36
+0:01
Half
13.11 mi11:33:251:26:286:364:33
6:40
+0:04
25K
15.53 mi11:49:261:42:296:3616:01
6:36
-0:04
30K
18.64 mi12:10:102:03:136:3720:44
6:40
+0:04
20M
20.00 mi12:19:152:12:186:379:05
6:41
+0:01
21M
21.00 mi12:26:082:19:116:386:53
6:53
+0:12
35K
21.75 mi12:30:422:23:456:374:34
6:06
-0:47
23M
23.00 mi12:39:012:32:046:378:19
6:39
+0:33
24M
24.00 mi12:45:332:38:366:376:32
6:32
-0:07
40K
24.85 mi12:51:232:44:266:375:50
6:49
+0:17
25.2M
25.20 mi12:53:572:47:006:382:34
7:27
+0:38
Finish
26.22 mi13:00:472:53:506:386:50
6:42
-0:45

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

6:06 /mi

Average Pace

6:38 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:34

3% of race

Time at Steady Pace

2:33:59

89% of race

Time at Slower Pace

15:17

9% of race

Average Pace: 6:38 /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 mi10:27:2720:306:3620:30
6:36
#4561
10K
6.21 mi10:47:5540:586:3620:28
6:35
#4438
15K
9.32 mi11:08:231:01:266:3520:28
6:35
#4329
20K
12.43 mi11:28:521:21:556:3520:29
6:36
#4096
Half
13.11 mi11:33:251:26:286:364:33
6:40
#4128
25K
15.53 mi11:49:261:42:296:3616:01
6:36
#3972
30K
18.64 mi12:10:102:03:136:3720:44
6:40
#3706
20M
20.00 mi12:19:152:12:186:379:05
6:41
#3571
21M
21.00 mi12:26:082:19:116:386:53
6:53
#3414
35K
21.75 mi12:30:422:23:456:374:34
6:06
#3259
23M
23.00 mi12:39:012:32:046:378:19
6:39
#3121
24M
24.00 mi12:45:332:38:366:376:32
6:32
#3029
40K
24.85 mi12:51:232:44:266:375:50
6:49
#2987
25.2M
25.20 mi12:53:572:47:006:382:34
7:27
#2967
Finish
26.22 mi13:00:472:53:506:386:50
6:42
#2973
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4561428442844115(Top 14%)3870(Top 24%)3870(Top 69%)
10K6.21 mi3.10 mi4438+1234173+1114173+1114347(Top 15%)4080(Top 25%)4080(Top 72%)
15K9.32 mi3.11 mi4329+1094071+1024071+1024115(Top 14%)3870(Top 24%)3870(Top 69%)
20K12.43 mi3.11 mi4096+2333853+2183853+2183634(Top 13%)3431(Top 21%)3431(Top 61%)
Half13.11 mi0.68 mi4128-323883-303883-304916(Top 17%)4545(Top 28%)4545(Top 81%)
25K15.53 mi2.42 mi3972+1563738+1453738+1453486(Top 12%)3286(Top 20%)3286(Top 58%)
30K18.64 mi3.11 mi3706+2663496+2423496+2422756(Top 10%)2608(Top 16%)2608(Top 46%)
20M20.00 mi1.36 mi3571+1353370+1263370+1262382(Top 8%)2249(Top 14%)2249(Top 40%)
21M21.00 mi1.00 mi3414+1573225+1453225+1451826(Top 6%)1721(Top 11%)1721(Top 31%)
35K21.75 mi0.75 mi3259+1553077+1483077+148984(Top 3%)927(Top 6%)927(Top 16%)
23M23.00 mi1.25 mi3121+1382950+1272950+1272003(Top 7%)1873(Top 12%)1873(Top 33%)
24M24.00 mi1.00 mi3029+922864+862864+862181(Top 8%)2021(Top 13%)2021(Top 36%)
40K24.85 mi0.85 mi2987+422821+432821+432930(Top 10%)2639(Top 16%)2639(Top 47%)
25.2M25.20 mi0.35 mi2967+202802+192802+193099(Top 11%)2740(Top 17%)2740(Top 49%)
Finish26.22 mi1.02 mi2973-62804-22804-23867(Top 14%)3332(Top 21%)3332(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

4115

Males

3870

M18-39

3870

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4347

Males

4080

M18-39

4080

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

4115

Males

3870

M18-39

3870

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3634

Males

3431

M18-39

3431

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4916

Males

4545

M18-39

4545

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3486

Males

3286

M18-39

3286

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2756

Males

2608

M18-39

2608

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2382

Males

2249

M18-39

2249

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1826

Males

1721

M18-39

1721

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

984

Males

927

M18-39

927

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

2003

Males

1873

M18-39

1873

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2181

Males

2021

M18-39

2021

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2930

Males

2639

M18-39

2639

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3099

Males

2740

M18-39

2740

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3867

Males

3332

M18-39

3332

Passing Analysis

Category:
Athletes Passed
1922
Passed By
334
Net Change
+1588
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4561
5K → 10K224101+123#4561#4438
10K → 15K16455+109#4438#4329
15K → 20K25017+233#4329#4096
20K → Half1143-32#4096#4128
Half → 25K17418+156#4128#3972
25K → 30K28115+266#3972#3706
30K → 20M1405+135#3706#3571
20M → 21M1592+157#3571#3414
21M → 35K1550+155#3414#3259
35K → 23M1424+138#3259#3121
23M → 24M10210+92#3121#3029
24M → 40K5614+42#3029#2987
40K → 25.2M288+20#2987#2967
25.2M → Finish3642-6#2967#2973
TOTALS1922334+1588
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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