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BOSTON MARATHON 2025

Chandler Goldman

Bib: 3989•M

SC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:25
Rank: #4349
Start → 5K
20:25 | 6:34/mi
10K· 6.21 mi
40:38
Rank: #4049 (+300)
5K → 10K
20:13 | 6:30/mi
15K· 9.32 mi
1:00:56
Rank: #3936 (+113)
10K → 15K
20:18 | 6:32/mi
20K· 12.43 mi
1:21:01
Rank: #3645 (+291)
15K → 20K
20:05 | 6:28/mi
Half· 13.11 mi
1:25:24
Rank: #3619 (+26)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:00
Rank: #3388 (+231)
Half → 25K
15:36 | 6:26/mi
30K· 18.64 mi
2:01:16
Rank: #3078 (+310)
25K → 30K
20:16 | 6:31/mi
20M
2:10:32
Rank: #3024 (+54)
30K → 20M
9:16 | 6:49/mi
21M
2:17:21
Rank: #2901 (+123)
20M → 21M
6:49 | 6:49/mi
35K· 21.75 mi
2:22:08
Rank: #2840 (+61)
21M → 35K
4:47 | 6:24/mi
23M
2:30:20
Rank: #2719 (+121)
35K → 23M
8:12 | 6:33/mi
24M
2:36:25
Rank: #2558 (+161)
23M → 24M
6:05 | 6:05/mi
40K· 24.85 mi
2:41:40
Rank: #2434 (+124)
24M → 40K
5:15 | 6:08/mi
25.2M
2:43:54
Rank: #2365 (+69)
40K → 25.2M
2:14 | 6:29/mi
Finish· 26.22 mi
2:49:38
Rank: #2199 (+166)
25.2M → Finish
5:44 | 5:38/mi

Course Map & Elevation

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:25:24
Pace6:31 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:24:14
Pace6:26 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3220:256:3420:25
6:34
-
10K
6.21 mi10:42:4540:386:3220:13
6:30
-0:04
15K
9.32 mi11:03:031:00:566:3220:18
6:32
+0:02
20K
12.43 mi11:23:081:21:016:3120:05
6:28
-0:04
Half
13.11 mi11:27:311:25:246:314:23
6:25
-0:03
25K
15.53 mi11:43:071:41:006:3015:36
6:26
+0:01
30K
18.64 mi12:03:232:01:166:3020:16
6:31
+0:05
20M
20.00 mi12:12:392:10:326:329:16
6:49
+0:18
21M
21.00 mi12:19:282:17:216:326:49
6:49
0:00
35K
21.75 mi12:24:152:22:086:324:47
6:24
-0:25
23M
23.00 mi12:32:272:30:206:328:12
6:33
+0:09
24M
24.00 mi12:38:322:36:256:316:05
6:05
-0:28
40K
24.85 mi12:43:472:41:406:305:15
6:08
+0:03
25.2M
25.20 mi12:46:012:43:546:302:14
6:29
+0:21
Finish
26.22 mi12:51:452:49:386:285:44
5:38
-0:51

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

5:38 /mi

Average Pace

6:28 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

17:04

10% of race

Time at Steady Pace

2:16:29

80% of race

Time at Slower Pace

16:05

9% of race

Average Pace: 6:28 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:3220:256:3420:25
6:34
#4349
10K
6.21 mi10:42:4540:386:3220:13
6:30
#4049
15K
9.32 mi11:03:031:00:566:3220:18
6:32
#3936
20K
12.43 mi11:23:081:21:016:3120:05
6:28
#3645
Half
13.11 mi11:27:311:25:246:314:23
6:25
#3619
25K
15.53 mi11:43:071:41:006:3015:36
6:26
#3388
30K
18.64 mi12:03:232:01:166:3020:16
6:31
#3078
20M
20.00 mi12:12:392:10:326:329:16
6:49
#3024
21M
21.00 mi12:19:282:17:216:326:49
6:49
#2901
35K
21.75 mi12:24:152:22:086:324:47
6:24
#2840
23M
23.00 mi12:32:272:30:206:328:12
6:33
#2719
24M
24.00 mi12:38:322:36:256:316:05
6:05
#2558
40K
24.85 mi12:43:472:41:406:305:15
6:08
#2434
25.2M
25.20 mi12:46:012:43:546:302:14
6:29
#2365
Finish
26.22 mi12:51:452:49:386:285:44
5:38
#2199
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4349408640863753(Top 13%)3539(Top 22%)3539(Top 63%)
10K6.21 mi3.10 mi4049+3003819+2673819+2673759(Top 13%)3544(Top 22%)3544(Top 63%)
15K9.32 mi3.11 mi3936+1133709+1103709+1103753(Top 13%)3539(Top 22%)3539(Top 63%)
20K12.43 mi3.11 mi3645+2913448+2613448+2612892(Top 10%)2754(Top 17%)2754(Top 49%)
Half13.11 mi0.68 mi3619+263425+233425+233140(Top 11%)2981(Top 19%)2981(Top 53%)
25K15.53 mi2.42 mi3388+2313220+2053220+2052512(Top 9%)2388(Top 15%)2388(Top 42%)
30K18.64 mi3.11 mi3078+3102928+2922928+2922081(Top 7%)1978(Top 12%)1978(Top 35%)
20M20.00 mi1.36 mi3024+542872+562872+563014(Top 11%)2804(Top 17%)2804(Top 50%)
21M21.00 mi1.00 mi2901+1232756+1162756+1161584(Top 6%)1493(Top 9%)1493(Top 26%)
35K21.75 mi0.75 mi2840+612700+562700+561978(Top 7%)1852(Top 11%)1852(Top 33%)
23M23.00 mi1.25 mi2719+1212582+1182582+1181627(Top 6%)1520(Top 9%)1520(Top 27%)
24M24.00 mi1.00 mi2558+1612427+1552427+155744(Top 3%)699(Top 4%)699(Top 12%)
40K24.85 mi0.85 mi2434+1242310+1172310+117631(Top 2%)591(Top 4%)591(Top 10%)
25.2M25.20 mi0.35 mi2365+692244+662244+66445(Top 2%)412(Top 3%)412(Top 7%)
Finish26.22 mi1.02 mi2199+1662086+1582086+158275(Top 1.0%)259(Top 2%)259(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3753

Males

3539

M18-39

3539

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3759

Males

3544

M18-39

3544

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3753

Males

3539

M18-39

3539

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2892

Males

2754

M18-39

2754

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3140

Males

2981

M18-39

2981

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2512

Males

2388

M18-39

2388

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2081

Males

1978

M18-39

1978

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3014

Males

2804

M18-39

2804

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1584

Males

1493

M18-39

1493

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1978

Males

1852

M18-39

1852

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1627

Males

1520

M18-39

1520

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

744

Males

699

M18-39

699

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

631

Males

591

M18-39

591

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

445

Males

412

M18-39

412

25.2M→Finish

25.2 - 26.2 mi

Top 1.0%
×2stories
+22ft-21ft

Overall

275

Males

259

M18-39

259

Passing Analysis

Category:
Athletes Passed
2298
Passed By
148
Net Change
+2150
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4349
5K → 10K35151+300#4349#4049
10K → 15K15239+113#4049#3936
15K → 20K2965+291#3936#3645
20K → Half337+26#3645#3619
Half → 25K2365+231#3619#3388
25K → 30K3133+310#3388#3078
30K → 20M7925+54#3078#3024
20M → 21M1263+123#3024#2901
21M → 35K676+61#2901#2840
35K → 23M1232+121#2840#2719
23M → 24M1632+161#2719#2558
24M → 40K1240+124#2558#2434
40K → 25.2M690+69#2434#2365
25.2M → Finish1660+166#2365#2199
TOTALS2298148+2150
📊

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