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BOSTON MARATHON 2025

Renli Guo

Bib: 17999 M CN

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 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:33/mi
23:27
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:35/mi
47:02
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:11/mi
1:12:28
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:11/mi
1:41:00
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:48/mi
1:47:00
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:01/mi
2:08:51
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:47/mi
2:39:14
↑ 181↓ 1480.2%
138 ft elev
20M
9:44/mi
2:52:28
↑ 64↓ 500.2%
148 ft elev
21M
10:24/mi
3:02:52
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:53/mi
3:09:31
↑ 17↓ 861.7%
156 ft elev
23M
9:25/mi
3:21:18
↑ 23↓ 630.6%
116 ft elev
24M
9:06/mi
3:30:24
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:18/mi
3:38:21
↓ 200.3%
20 ft elev
25.2M
10:03/mi
3:41:49
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:37/mi
3:50:36
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:00
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time2:03:36
Pace9:26 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0123:277:3323:27
7:33
-
10K
6.21 mi11:37:3647:027:3423:35
7:35
+0:02
15K
9.32 mi12:03:021:12:287:4625:26
8:11
+0:36
20K
12.43 mi12:31:341:41:008:0828:32
9:11
+1:00
Half
13.11 mi12:37:341:47:008:106:00
8:48
-0:23
25K
15.53 mi12:59:252:08:518:1821:51
9:01
+0:13
30K
18.64 mi13:29:482:39:148:3330:23
9:47
+0:46
20M
20.00 mi13:43:022:52:288:3713:14
9:44
-0:03
21M
21.00 mi13:53:263:02:528:4210:24
10:24
+0:40
35K
21.75 mi14:00:053:09:318:436:39
8:53
-1:31
23M
23.00 mi14:11:523:21:188:4511:47
9:25
+0:32
24M
24.00 mi14:20:583:30:248:469:06
9:06
-0:19
40K
24.85 mi14:28:553:38:218:477:57
9:18
+0:12
25.2M
25.20 mi14:32:233:41:498:483:28
10:03
+0:45
Finish
26.22 mi14:41:103:50:368:488:47
8:37
-1:26

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

7:33 /mi

Average Pace

8:48 /mi

Slowest Pace

10:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:15

35% of race

Time at Steady Pace

1:31:52

40% of race

Time at Slower Pace

57:29

25% of race

Average Pace: 8:48 /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 mi11:14:0123:277:3323:27
7:33
#12650
10K
6.21 mi11:37:3647:027:3423:35
7:35
#12743
15K
9.32 mi12:03:021:12:287:4625:26
8:11
#14413
20K
12.43 mi12:31:341:41:008:0828:32
9:11
#16870
Half
13.11 mi12:37:341:47:008:106:00
8:48
#17075
25K
15.53 mi12:59:252:08:518:1821:51
9:01
#17564
30K
18.64 mi13:29:482:39:148:3330:23
9:47
#18393
20M
20.00 mi13:43:022:52:288:3713:14
9:44
#18566
21M
21.00 mi13:53:263:02:528:4210:24
10:24
#18659
35K
21.75 mi14:00:053:09:318:436:39
8:53
#18627
23M
23.00 mi14:11:523:21:188:4511:47
9:25
#18591
24M
24.00 mi14:20:583:30:248:469:06
9:06
#18562
40K
24.85 mi14:28:553:38:218:477:57
9:18
#18508
25.2M
25.20 mi14:32:233:41:498:483:28
10:03
#18493
Finish
26.22 mi14:41:103:50:368:488:47
8:37
#18450
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi126509484948417301(Top 61%)11352(Top 70%)11352(Top 902%)
10K6.21 mi3.10 mi12743-939508-249508-2412931(Top 46%)9569(Top 59%)9569(Top 760%)
15K9.32 mi3.11 mi14413-167010163-65510163-65517301(Top 61%)11352(Top 70%)11352(Top 902%)
20K12.43 mi3.11 mi16870-245711161-99811161-99821819(Top 77%)13270(Top 82%)13270(Top 1054%)
Half13.11 mi0.68 mi17075-20511232-7111232-7120844(Top 73%)12820(Top 80%)12820(Top 1018%)
25K15.53 mi2.42 mi17564-48911413-18111413-18119942(Top 70%)12385(Top 77%)12385(Top 984%)
30K18.64 mi3.11 mi18393-82911740-32711740-32720921(Top 74%)12679(Top 79%)12679(Top 1007%)
20M20.00 mi1.36 mi18566-17311790-5011790-5020058(Top 71%)12179(Top 76%)12179(Top 967%)
21M21.00 mi1.00 mi18659-9311796-611796-619691(Top 69%)11901(Top 74%)11901(Top 945%)
35K21.75 mi0.75 mi18627+3211768+2811768+2817685(Top 62%)10911(Top 68%)10911(Top 867%)
23M23.00 mi1.25 mi18591+3611722+4611722+4618280(Top 64%)11113(Top 69%)11113(Top 883%)
24M24.00 mi1.00 mi18562+2911677+4511677+4517860(Top 63%)10863(Top 67%)10863(Top 863%)
40K24.85 mi0.85 mi18508+5411629+4811629+4817833(Top 63%)10738(Top 67%)10738(Top 853%)
25.2M25.20 mi0.35 mi18493+1511614+1511614+1517233(Top 61%)10474(Top 65%)10474(Top 832%)
Finish26.22 mi1.02 mi18450+4311570+4411570+4416949(Top 60%)10373(Top 64%)10373(Top 824%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17301

Males

11352

M60-64

11352

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12931

Males

9569

M60-64

9569

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17301

Males

11352

M60-64

11352

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21819

Males

13270

M60-64

13270

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20844

Males

12820

M60-64

12820

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19942

Males

12385

M60-64

12385

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

20921

Males

12679

M60-64

12679

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

20058

Males

12179

M60-64

12179

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19691

Males

11901

M60-64

11901

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17685

Males

10911

M60-64

10911

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18280

Males

11113

M60-64

11113

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17860

Males

10863

M60-64

10863

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17833

Males

10738

M60-64

10738

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17233

Males

10474

M60-64

10474

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16949

Males

10373

M60-64

10373

Passing Analysis

Category:
Athletes Passed
1046
Passed By
6846
Net Change
-5800
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12650
5K → 10K240333-93#12650#12743
10K → 15K151685-1670#12743#14413
15K → 20K102467-2457#14413#16870
20K → Half5210-205#16870#17075
Half → 25K68557-489#17075#17564
25K → 30K66895-829#17564#18393
30K → 20M59232-173#18393#18566
20M → 21M75168-93#18566#18659
21M → 35K7644+32#18659#18627
35K → 23M12084+36#18627#18591
23M → 24M8859+29#18591#18562
24M → 40K9541+54#18562#18508
40K → 25.2M4328+15#18508#18493
25.2M → Finish8643+43#18493#18450
TOTALS10466846-5800
📊

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