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BOSTON MARATHON 2025

Chris Parkhill

Bib: 31126•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
8:49/mi
27:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:22/mi
53:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:21/mi
1:19:23
↑ 67↓ 78
20K· 12.43 mi
8:35/mi
1:46:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:51:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:42/mi
2:13:02
↑ 66↓ 880.2%
30K· 18.64 mi
9:38/mi
2:42:59
↑ 181↓ 1480.2%
20M
9:42/mi
2:56:10
↑ 64↓ 500.2%
21M
11:12/mi
3:07:22
↑ 106↓ 241.6%
35K· 21.75 mi
9:35/mi
3:14:32
↑ 17↓ 861.7%
23M
10:25/mi
3:27:35
↑ 23↓ 630.6%
24M
9:59/mi
3:37:34
↓ 821.3%
40K· 24.85 mi
9:35/mi
3:45:46
↓ 200.3%
25.2M
10:26/mi
3:49:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:40/mi
3:58:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:56
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:06:16
Pace9:38 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3427:258:4927:25
8:49
-
10K
6.21 mi12:17:3453:258:3626:00
8:22
-0:27
15K
9.32 mi12:43:321:19:238:3125:58
8:21
-0:01
20K
12.43 mi13:10:131:46:048:3226:41
8:35
+0:14
Half
13.11 mi13:16:051:51:568:325:52
8:36
+0:01
25K
15.53 mi13:37:112:13:028:3421:06
8:42
+0:06
30K
18.64 mi14:07:082:42:598:4529:57
9:38
+0:56
20M
20.00 mi14:20:192:56:108:4813:11
9:42
+0:04
21M
21.00 mi14:31:313:07:228:5511:12
11:12
+1:30
35K
21.75 mi14:38:413:14:328:577:10
9:35
-1:37
23M
23.00 mi14:51:443:27:359:0213:03
10:25
+0:50
24M
24.00 mi15:01:433:37:349:049:59
9:59
-0:26
40K
24.85 mi15:09:553:45:469:058:12
9:35
-0:24
25.2M
25.20 mi15:13:313:49:229:063:36
10:26
+0:51
Finish
26.22 mi15:22:213:58:129:058:50
8:40
-1:46

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

8:21 /mi

Average Pace

9:05 /mi

Slowest Pace

11:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:52

60% of race

Time at Steady Pace

1:08:29

29% of race

Time at Slower Pace

27:51

12% of race

Average Pace: 9:05 /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 mi11:51:3427:258:4927:25
8:49
#21633
10K
6.21 mi12:17:3453:258:3626:00
8:22
#20376
15K
9.32 mi12:43:321:19:238:3125:58
8:21
#19783
20K
12.43 mi13:10:131:46:048:3226:41
8:35
#19495
Half
13.11 mi13:16:051:51:568:325:52
8:36
#19508
25K
15.53 mi13:37:112:13:028:3421:06
8:42
#19280
30K
18.64 mi14:07:082:42:598:4529:57
9:38
#19550
20M
20.00 mi14:20:192:56:108:4813:11
9:42
#19600
21M
21.00 mi14:31:313:07:228:5511:12
11:12
#19817
35K
21.75 mi14:38:413:14:328:577:10
9:35
#19853
23M
23.00 mi14:51:443:27:359:0213:03
10:25
#20035
24M
24.00 mi15:01:433:37:349:049:59
9:59
#20120
40K
24.85 mi15:09:553:45:469:058:12
9:35
#20082
25.2M
25.20 mi15:13:313:49:229:063:36
10:26
#20077
Finish
26.22 mi15:22:213:58:129:058:50
8:40
#19978
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi21633131471314718425(Top 65%)11806(Top 73%)11806(Top 495%)
10K6.21 mi3.10 mi20376+125712623+52412623+52418987(Top 67%)12058(Top 75%)12058(Top 505%)
15K9.32 mi3.11 mi19783+59312388+23512388+23518425(Top 65%)11806(Top 73%)11806(Top 495%)
20K12.43 mi3.11 mi19495+28812254+13412254+13418780(Top 66%)11939(Top 74%)11939(Top 500%)
Half13.11 mi0.68 mi19508-1312255-112255-119790(Top 70%)12383(Top 77%)12383(Top 519%)
25K15.53 mi2.42 mi19280+22812150+10512150+10518398(Top 65%)11701(Top 73%)11701(Top 490%)
30K18.64 mi3.11 mi19550-27012228-7812228-7820508(Top 72%)12518(Top 78%)12518(Top 525%)
20M20.00 mi1.36 mi19600-5012227+112227+119933(Top 70%)12132(Top 75%)12132(Top 508%)
21M21.00 mi1.00 mi19817-21712294-6712294-6721895(Top 77%)12924(Top 80%)12924(Top 542%)
35K21.75 mi0.75 mi19853-3612297-312297-320586(Top 72%)12245(Top 76%)12245(Top 513%)
23M23.00 mi1.25 mi20035-18212344-4712344-4721789(Top 77%)12770(Top 79%)12770(Top 535%)
24M24.00 mi1.00 mi20120-8512361-1712361-1721308(Top 75%)12495(Top 78%)12495(Top 524%)
40K24.85 mi0.85 mi20082+3812323+3812323+3819056(Top 67%)11350(Top 70%)11350(Top 476%)
25.2M25.20 mi0.35 mi20077+512311+1212311+1218762(Top 66%)11206(Top 70%)11206(Top 470%)
Finish26.22 mi1.02 mi19978+9912257+5412257+5417275(Top 61%)10543(Top 65%)10543(Top 442%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18425

Males

11806

M45-49

11806

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

18987

Males

12058

M45-49

12058

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18425

Males

11806

M45-49

11806

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18780

Males

11939

M45-49

11939

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19790

Males

12383

M45-49

12383

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18398

Males

11701

M45-49

11701

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

20508

Males

12518

M45-49

12518

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

19933

Males

12132

M45-49

12132

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21895

Males

12924

M45-49

12924

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20586

Males

12245

M45-49

12245

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

21789

Males

12770

M45-49

12770

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21308

Males

12495

M45-49

12495

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19056

Males

11350

M45-49

11350

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18762

Males

11206

M45-49

11206

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

17275

Males

10543

M45-49

10543

Passing Analysis

Category:
Athletes Passed
3193
Passed By
1538
Net Change
+1655
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21633
5K → 10K128427+1257#21633#20376
10K → 15K60815+593#20376#19783
15K → 20K35466+288#19783#19495
20K → Half3043-13#19495#19508
Half → 25K29163+228#19508#19280
25K → 30K141411-270#19280#19550
30K → 20M88138-50#19550#19600
20M → 21M45262-217#19600#19817
21M → 35K3975-36#19817#19853
35K → 23M45227-182#19853#20035
23M → 24M37122-85#20035#20120
24M → 40K7436+38#20120#20082
40K → 25.2M3227+5#20082#20077
25.2M → Finish12526+99#20077#19978
TOTALS31931538+1655
📊

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