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BOSTON MARATHON 2025

Halldor Halldorsson

Bib: 20396•M

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 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:35
Rank: #15810
Start → 5K
24:35 | 7:55/mi
10K· 6.21 mi
49:53
Rank: #16738 (-928)
5K → 10K
25:18 | 8:09/mi
15K· 9.32 mi
1:15:31
Rank: #17098 (-360)
10K → 15K
25:38 | 8:15/mi
20K· 12.43 mi
1:41:57
Rank: #17364 (-266)
15K → 20K
26:26 | 8:30/mi
Half· 13.11 mi
1:47:44
Rank: #17445 (-81)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:08:48
Rank: #17549 (-104)
Half → 25K
21:04 | 8:41/mi
30K· 18.64 mi
2:36:53
Rank: #17572 (-23)
25K → 30K
28:05 | 9:02/mi
20M
2:49:09
Rank: #17502 (+70)
30K → 20M
12:16 | 9:02/mi
21M
2:59:00
Rank: #17515 (-13)
20M → 21M
9:51 | 9:51/mi
35K· 21.75 mi
3:05:20
Rank: #17412 (+103)
21M → 35K
6:20 | 8:28/mi
23M
3:16:19
Rank: #17263 (+149)
35K → 23M
10:59 | 8:46/mi
24M
3:25:01
Rank: #17171 (+92)
23M → 24M
8:42 | 8:42/mi
40K· 24.85 mi
3:32:46
Rank: #17147 (+24)
24M → 40K
7:45 | 9:04/mi
25.2M
3:36:08
Rank: #17117 (+30)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:44:39
Rank: #17045 (+72)
25.2M → Finish
8:31 | 8:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:44
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:56:55
Pace8:55 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3424:357:5524:35
7:55
-
10K
6.21 mi11:42:5249:538:0225:18
8:09
+0:14
15K
9.32 mi12:08:301:15:318:0625:38
8:15
+0:06
20K
12.43 mi12:34:561:41:578:1226:26
8:30
+0:15
Half
13.11 mi12:40:431:47:448:135:47
8:29
-0:01
25K
15.53 mi13:01:472:08:488:1721:04
8:41
+0:12
30K
18.64 mi13:29:522:36:538:2528:05
9:02
+0:21
20M
20.00 mi13:42:082:49:098:2712:16
9:02
0:00
21M
21.00 mi13:51:592:59:008:319:51
9:51
+0:49
35K
21.75 mi13:58:193:05:208:316:20
8:28
-1:23
23M
23.00 mi14:09:183:16:198:3210:59
8:46
+0:18
24M
24.00 mi14:18:003:25:018:338:42
8:42
-0:04
40K
24.85 mi14:25:453:32:468:347:45
9:04
+0:22
25.2M
25.20 mi14:29:073:36:088:353:22
9:46
+0:42
Finish
26.22 mi14:37:383:44:398:348:31
8:21
-1:25

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

7:55 /mi

Average Pace

8:34 /mi

Slowest Pace

9:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:02

37% of race

Time at Steady Pace

1:19:18

35% of race

Time at Slower Pace

1:01:19

27% of race

Average Pace: 8:34 /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 mi11:17:3424:357:5524:35
7:55
#15810
10K
6.21 mi11:42:5249:538:0225:18
8:09
#16738
15K
9.32 mi12:08:301:15:318:0625:38
8:15
#17098
20K
12.43 mi12:34:561:41:578:1226:26
8:30
#17364
Half
13.11 mi12:40:431:47:448:135:47
8:29
#17445
25K
15.53 mi13:01:472:08:488:1721:04
8:41
#17549
30K
18.64 mi13:29:522:36:538:2528:05
9:02
#17572
20M
20.00 mi13:42:082:49:098:2712:16
9:02
#17502
21M
21.00 mi13:51:592:59:008:319:51
9:51
#17515
35K
21.75 mi13:58:193:05:208:316:20
8:28
#17412
23M
23.00 mi14:09:183:16:198:3210:59
8:46
#17263
24M
24.00 mi14:18:003:25:018:338:42
8:42
#17171
40K
24.85 mi14:25:453:32:468:347:45
9:04
#17147
25.2M
25.20 mi14:29:073:36:088:353:22
9:46
#17117
Finish
26.22 mi14:37:383:44:398:348:31
8:21
#17045
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15810107351073517726(Top 62%)11520(Top 72%)11520(Top 915%)
10K6.21 mi3.10 mi16738-92811111-37611111-37617485(Top 62%)11444(Top 71%)11444(Top 909%)
15K9.32 mi3.11 mi17098-36011275-16411275-16417726(Top 62%)11520(Top 72%)11520(Top 915%)
20K12.43 mi3.11 mi17364-26611357-8211357-8218287(Top 64%)11736(Top 73%)11736(Top 932%)
Half13.11 mi0.68 mi17445-8111391-3411391-3418988(Top 67%)12028(Top 75%)12028(Top 955%)
25K15.53 mi2.42 mi17549-10411408-1711408-1718312(Top 64%)11661(Top 72%)11661(Top 926%)
30K18.64 mi3.11 mi17572-2311356+5211356+5217871(Top 63%)11307(Top 70%)11307(Top 898%)
20M20.00 mi1.36 mi17502+7011305+5111305+5116911(Top 60%)10776(Top 67%)10776(Top 856%)
21M21.00 mi1.00 mi17515-1311287+1811287+1817674(Top 62%)10999(Top 68%)10999(Top 874%)
35K21.75 mi0.75 mi17412+10311217+7011217+7015237(Top 54%)9836(Top 61%)9836(Top 781%)
23M23.00 mi1.25 mi17263+14911121+9611121+9614952(Top 53%)9604(Top 60%)9604(Top 763%)
24M24.00 mi1.00 mi17171+9211066+5511066+5515738(Top 55%)9934(Top 62%)9934(Top 789%)
40K24.85 mi0.85 mi17147+2411030+3611030+3616666(Top 59%)10218(Top 63%)10218(Top 812%)
25.2M25.20 mi0.35 mi17117+3011004+2611004+2615878(Top 56%)9815(Top 61%)9815(Top 780%)
Finish26.22 mi1.02 mi17045+7210952+5210952+5215280(Top 54%)9610(Top 60%)9610(Top 763%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17726

Males

11520

M60-64

11520

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17485

Males

11444

M60-64

11444

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17726

Males

11520

M60-64

11520

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18287

Males

11736

M60-64

11736

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

18988

Males

12028

M60-64

12028

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18312

Males

11661

M60-64

11661

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17871

Males

11307

M60-64

11307

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16911

Males

10776

M60-64

10776

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17674

Males

10999

M60-64

10999

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15237

Males

9836

M60-64

9836

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14952

Males

9604

M60-64

9604

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15738

Males

9934

M60-64

9934

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16666

Males

10218

M60-64

10218

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15878

Males

9815

M60-64

9815

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15280

Males

9610

M60-64

9610

Passing Analysis

Category:
Athletes Passed
1579
Passed By
2814
Net Change
-1235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15810
5K → 10K781006-928#15810#16738
10K → 15K110470-360#16738#17098
15K → 20K118384-266#17098#17364
20K → Half1293-81#17364#17445
Half → 25K144248-104#17445#17549
25K → 30K215238-23#17549#17572
30K → 20M14070+70#17572#17502
20M → 21M99112-13#17502#17515
21M → 35K11916+103#17515#17412
35K → 23M19142+149#17412#17263
23M → 24M12634+92#17263#17171
24M → 40K7551+24#17171#17147
40K → 25.2M4919+30#17147#17117
25.2M → Finish10331+72#17117#17045
TOTALS15792814-1235
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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