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BOSTON MARATHON 2025

Alan Tiongson

Bib: 5445•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M40-44)
#0 / 2247
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:31
Rank: #4625
Start → 5K
20:31 | 6:36/mi
10K· 6.21 mi
40:59
Rank: #4465 (+160)
5K → 10K
20:28 | 6:35/mi
15K· 9.32 mi
1:01:34
Rank: #4436 (+29)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:22:33
Rank: #4489 (-53)
15K → 20K
20:59 | 6:45/mi
Half· 13.11 mi
1:27:10
Rank: #4556 (-67)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:18
Rank: #5521 (-965)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:07:19
Rank: #5412 (+109)
25K → 30K
22:01 | 7:05/mi
20M
2:17:13
Rank: #5452 (-40)
30K → 20M
9:54 | 7:17/mi
21M
2:25:01
Rank: #5479 (-27)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:30:17
Rank: #5454 (+25)
21M → 35K
5:16 | 7:02/mi
23M
2:39:26
Rank: #5396 (+58)
35K → 23M
9:09 | 7:18/mi
24M
2:46:34
Rank: #5353 (+43)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
2:52:47
Rank: #5303 (+50)
24M → 40K
6:13 | 7:16/mi
25.2M
2:55:30
Rank: #5278 (+25)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:02:37
Rank: #5234 (+44)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:10
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:35:27
Pace7:17 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4820:316:3620:31
6:36
-
10K
6.21 mi10:44:1640:596:3620:28
6:35
-0:01
15K
9.32 mi11:04:511:01:346:3620:35
6:38
+0:03
20K
12.43 mi11:25:501:22:336:3920:59
6:45
+0:07
Half
13.11 mi11:30:271:27:106:394:37
6:46
+0:01
25K
15.53 mi11:48:351:45:186:4718:08
7:29
+0:43
30K
18.64 mi12:10:362:07:196:5022:01
7:05
-0:24
20M
20.00 mi12:20:302:17:136:529:54
7:17
+0:12
21M
21.00 mi12:28:182:25:016:547:48
7:48
+0:31
35K
21.75 mi12:33:342:30:176:555:16
7:02
-0:46
23M
23.00 mi12:42:432:39:266:569:09
7:18
+0:16
24M
24.00 mi12:49:512:46:346:567:08
7:08
-0:10
40K
24.85 mi12:56:042:52:476:576:13
7:16
+0:08
25.2M
25.20 mi12:58:472:55:306:582:43
7:53
+0:37
Finish
26.22 mi13:05:543:02:376:587:07
6:59
-0:54

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

6:35 /mi

Average Pace

6:58 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:42

70% of race

Time at Steady Pace

43:24

24% of race

Time at Slower Pace

10:31

6% of race

Average Pace: 6:58 /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 mi10:23:4820:316:3620:31
6:36
#4625
10K
6.21 mi10:44:1640:596:3620:28
6:35
#4465
15K
9.32 mi11:04:511:01:346:3620:35
6:38
#4436
20K
12.43 mi11:25:501:22:336:3920:59
6:45
#4489
Half
13.11 mi11:30:271:27:106:394:37
6:46
#4556
25K
15.53 mi11:48:351:45:186:4718:08
7:29
#5521
30K
18.64 mi12:10:362:07:196:5022:01
7:05
#5412
20M
20.00 mi12:20:302:17:136:529:54
7:17
#5452
21M
21.00 mi12:28:182:25:016:547:48
7:48
#5479
35K
21.75 mi12:33:342:30:176:555:16
7:02
#5454
23M
23.00 mi12:42:432:39:266:569:09
7:18
#5396
24M
24.00 mi12:49:512:46:346:567:08
7:08
#5353
40K
24.85 mi12:56:042:52:476:576:13
7:16
#5303
25.2M
25.20 mi12:58:472:55:306:582:43
7:53
#5278
Finish
26.22 mi13:05:543:02:376:587:07
6:59
#5234
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4625433743374447(Top 16%)4168(Top 26%)4168(Top 185%)
10K6.21 mi3.10 mi4465+1604198+1394198+1394364(Top 15%)4097(Top 25%)4097(Top 182%)
15K9.32 mi3.11 mi4436+294171+274171+274447(Top 16%)4168(Top 26%)4168(Top 185%)
20K12.43 mi3.11 mi4489-534207-364207-364867(Top 17%)4504(Top 28%)4504(Top 200%)
Half13.11 mi0.68 mi4556-674263-564263-565770(Top 20%)5257(Top 33%)5257(Top 234%)
25K15.53 mi2.42 mi5521-9655074-8115074-8119762(Top 34%)7727(Top 48%)7727(Top 344%)
30K18.64 mi3.11 mi5412+1094965+1094965+1095234(Top 18%)4725(Top 29%)4725(Top 210%)
20M20.00 mi1.36 mi5452-404991-264991-265661(Top 20%)4941(Top 31%)4941(Top 220%)
21M21.00 mi1.00 mi5479-275004-135004-136155(Top 22%)5156(Top 32%)5156(Top 229%)
35K21.75 mi0.75 mi5454+254972+324972+325586(Top 20%)4774(Top 30%)4774(Top 212%)
23M23.00 mi1.25 mi5396+584913+594913+595497(Top 19%)4660(Top 29%)4660(Top 207%)
24M24.00 mi1.00 mi5353+434869+444869+445380(Top 19%)4514(Top 28%)4514(Top 201%)
40K24.85 mi0.85 mi5303+504816+534816+535463(Top 19%)4523(Top 28%)4523(Top 201%)
25.2M25.20 mi0.35 mi5278+254788+284788+285230(Top 18%)4251(Top 26%)4251(Top 189%)
Finish26.22 mi1.02 mi5234+444741+474741+475603(Top 20%)4474(Top 28%)4474(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4447

Males

4168

M40-44

4168

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4364

Males

4097

M40-44

4097

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4447

Males

4168

M40-44

4168

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4867

Males

4504

M40-44

4504

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5770

Males

5257

M40-44

5257

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9762

Males

7727

M40-44

7727

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5234

Males

4725

M40-44

4725

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5661

Males

4941

M40-44

4941

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6155

Males

5156

M40-44

5156

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5586

Males

4774

M40-44

4774

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5497

Males

4660

M40-44

4660

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5380

Males

4514

M40-44

4514

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5463

Males

4523

M40-44

4523

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5230

Males

4251

M40-44

4251

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5603

Males

4474

M40-44

4474

Passing Analysis

Category:
Athletes Passed
1226
Passed By
1835
Net Change
-609
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4625
5K → 10K263103+160#4625#4465
10K → 15K10980+29#4465#4436
15K → 20K87140-53#4436#4489
20K → Half370-67#4489#4556
Half → 25K13978-965#4556#5521
25K → 30K222113+109#5521#5412
30K → 20M64104-40#5412#5452
20M → 21M5885-27#5452#5479
21M → 35K5833+25#5479#5454
35K → 23M10951+58#5454#5396
23M → 24M7128+43#5396#5353
24M → 40K7222+50#5353#5303
40K → 25.2M3510+25#5303#5278
25.2M → Finish6218+44#5278#5234
TOTALS12261835-609
📊

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