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BOSTON MARATHON 2025

Ronald Haglof

Bib: 24803•M

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
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
9:21/mi
29:02
↑ 97↓ 3451.5%
10K· 6.21 mi
9:29/mi
58:31
↑ 79↓ 1380.4%
15K· 9.32 mi
9:33/mi
1:28:12
↑ 67↓ 78
20K· 12.43 mi
12:02/mi
2:05:36
↑ 106↓ 860.1%
Half· 13.11 mi
11:30/mi
2:13:27
↑ 19↓ 370.5%
25K· 15.53 mi
12:16/mi
2:43:12
↑ 66↓ 880.2%
30K· 18.64 mi
14:12/mi
3:27:19
↑ 181↓ 1480.2%
20M
15:35/mi
3:48:30
↑ 64↓ 500.2%
21M
15:04/mi
4:03:34
↑ 106↓ 241.6%
35K· 21.75 mi
14:40/mi
4:14:32
↑ 17↓ 861.7%
23M
15:07/mi
4:33:28
↑ 23↓ 630.6%
24M
14:24/mi
4:47:52
↓ 821.3%
40K· 24.85 mi
13:16/mi
4:59:13
↓ 200.3%
25.2M
14:44/mi
5:04:18
↑ 13↓ 160.2%
Finish· 26.22 mi
10:56/mi
5:15:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:27
Pace10:11 /mi
2nd Half
Distance13.11 mi
Time3:01:59
Pace13:53 /mi
📊Positive Split: 36.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:4929:029:2129:02
9:21
-
10K
6.21 mi11:59:1858:319:2529:29
9:29
+0:08
15K
9.32 mi12:28:591:28:129:2829:41
9:33
+0:04
20K
12.43 mi13:06:232:05:3610:0637:24
12:02
+2:29
Half
13.11 mi13:14:142:13:2710:117:51
11:30
-0:32
25K
15.53 mi13:43:592:43:1210:3029:45
12:16
+0:46
30K
18.64 mi14:28:063:27:1911:0744:07
14:12
+1:56
20M
20.00 mi14:49:173:48:3011:2521:11
15:35
+1:23
21M
21.00 mi15:04:214:03:3411:3615:04
15:04
-0:31
35K
21.75 mi15:15:194:14:3211:4210:58
14:40
-0:24
23M
23.00 mi15:34:154:33:2811:5318:56
15:07
+0:27
24M
24.00 mi15:48:394:47:5212:0014:24
14:24
-0:43
40K
24.85 mi16:00:004:59:1312:0211:21
13:16
-1:08
25.2M
25.20 mi16:05:055:04:1812:055:05
14:44
+1:28
Finish
26.22 mi16:16:135:15:2612:0211:08
10:56
-3:48

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

9:21 /mi

Average Pace

12:02 /mi

Slowest Pace

15:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:35

46% of race

Time at Steady Pace

1:25:13

27% of race

Time at Slower Pace

1:25:38

27% of race

Average Pace: 12:02 /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 mi11:29:4929:029:2129:02
9:21
#23717
10K
6.21 mi11:59:1858:319:2529:29
9:29
#23943
15K
9.32 mi12:28:591:28:129:2829:41
9:33
#23941
20K
12.43 mi13:06:232:05:3610:0637:24
12:02
#25245
Half
13.11 mi13:14:142:13:2710:117:51
11:30
#25376
25K
15.53 mi13:43:592:43:1210:3029:45
12:16
#25692
30K
18.64 mi14:28:063:27:1911:0744:07
14:12
#26262
20M
20.00 mi14:49:173:48:3011:2521:11
15:35
#26547
21M
21.00 mi15:04:214:03:3411:3615:04
15:04
#26604
35K
21.75 mi15:15:194:14:3211:4210:58
14:40
#26711
23M
23.00 mi15:34:154:33:2811:5318:56
15:07
#26848
24M
24.00 mi15:48:394:47:5212:0014:24
14:24
#26931
40K
24.85 mi16:00:004:59:1312:0211:21
13:16
#26913
25.2M
25.20 mi16:05:055:04:1812:055:05
14:44
#26914
Finish
26.22 mi16:16:135:15:2612:0211:08
10:56
#26871
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi23717141161411623887(Top 84%)14232(Top 88%)14232(Top 2227%)
10K6.21 mi3.10 mi23943-22614227-11114227-11124077(Top 85%)14289(Top 89%)14289(Top 2236%)
15K9.32 mi3.11 mi23941+214235-814235-823887(Top 84%)14232(Top 88%)14232(Top 2227%)
20K12.43 mi3.11 mi25245-130414812-57714812-57727145(Top 96%)15591(Top 97%)15591(Top 2440%)
Half13.11 mi0.68 mi25376-13114870-5814870-5827065(Top 95%)15540(Top 96%)15540(Top 2432%)
25K15.53 mi2.42 mi25692-31615002-13215002-13226718(Top 94%)15389(Top 96%)15389(Top 2408%)
30K18.64 mi3.11 mi26262-57015231-22915231-22927656(Top 97%)15719(Top 98%)15719(Top 2460%)
20M20.00 mi1.36 mi26547-28515335-10415335-10428064(Top 99%)15907(Top 99%)15907(Top 2489%)
21M21.00 mi1.00 mi26604-5715349-1415349-1427211(Top 96%)15464(Top 96%)15464(Top 2420%)
35K21.75 mi0.75 mi26711-10715388-3915388-3927977(Top 98%)15837(Top 98%)15837(Top 2478%)
23M23.00 mi1.25 mi26848-13715445-5715445-5727963(Top 98%)15816(Top 98%)15816(Top 2475%)
24M24.00 mi1.00 mi26931-8315470-2515470-2527831(Top 98%)15724(Top 98%)15724(Top 2461%)
40K24.85 mi0.85 mi26913+1815452+1815452+1826572(Top 94%)15074(Top 94%)15074(Top 2359%)
25.2M25.20 mi0.35 mi26914-115453-115453-126943(Top 95%)15239(Top 95%)15239(Top 2385%)
Finish26.22 mi1.02 mi26871+4315425+2815425+2825223(Top 89%)14402(Top 89%)14402(Top 2254%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23887

Males

14232

M65-69

14232

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

24077

Males

14289

M65-69

14289

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23887

Males

14232

M65-69

14232

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27145

Males

15591

M65-69

15591

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

27065

Males

15540

M65-69

15540

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26718

Males

15389

M65-69

15389

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

27656

Males

15719

M65-69

15719

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28064

Males

15907

M65-69

15907

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27211

Males

15464

M65-69

15464

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27977

Males

15837

M65-69

15837

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

27963

Males

15816

M65-69

15816

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27831

Males

15724

M65-69

15724

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26572

Males

15074

M65-69

15074

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

26943

Males

15239

M65-69

15239

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25223

Males

14402

M65-69

14402

Passing Analysis

Category:
Athletes Passed
491
Passed By
3645
Net Change
-3154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23717
5K → 10K150376-226#23717#23943
10K → 15K152150+2#23943#23941
15K → 20K51309-1304#23941#25245
20K → Half2133-131#25245#25376
Half → 25K30346-316#25376#25692
25K → 30K15585-570#25692#26262
30K → 20M4289-285#26262#26547
20M → 21M1774-57#26547#26604
21M → 35K3110-107#26604#26711
35K → 23M8145-137#26711#26848
23M → 24M1497-83#26848#26931
24M → 40K3315+18#26931#26913
40K → 25.2M1011-1#26913#26914
25.2M → Finish485+43#26914#26871
TOTALS4913645-3154
📊

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