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BOSTON MARATHON 2025

Adrian Ionescu

Bib: 30791•M

CA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:20
Rank: #24036
Start → 5K
9:26/mi
29:20 split
10K· 6.21 mi
58:46
Rank: #24061 (-25)
5K → 10K
9:28/mi
29:26 split
15K· 9.32 mi
1:30:37
Rank: #24634 (-573)
10K → 15K
10:15/mi
31:51 split
20K· 12.43 mi
2:05:35
Rank: #25242 (-608)
15K → 20K
11:15/mi
34:58 split
Half· 13.11 mi
2:12:23
Rank: #25222 (+20)
20K → Half
9:58/mi
6:48 split
25K· 15.53 mi
2:41:48
Rank: #25549 (-327)
Half → 25K
12:08/mi
29:25 split
30K· 18.64 mi
3:20:28
Rank: #25684 (-135)
25K → 30K
12:27/mi
38:40 split
20M
3:36:40
Rank: #25634 (+50)
30K → 20M
11:55/mi
16:12 split
21M
3:49:51
Rank: #25613 (+21)
20M → 21M
13:11/mi
13:11 split
35K· 21.75 mi
3:57:41
Rank: #25545 (+68)
21M → 35K
10:28/mi
7:50 split
23M
4:11:40
Rank: #25462 (+83)
35K → 23M
11:10/mi
13:59 split
24M
4:22:43
Rank: #25409 (+53)
23M → 24M
11:03/mi
11:03 split
40K· 24.85 mi
4:32:25
Rank: #25360 (+49)
24M → 40K
11:21/mi
9:42 split
25.2M
4:36:34
Rank: #25330 (+30)
40K → 25.2M
12:02/mi
4:09 split
Finish· 26.22 mi
4:47:18
Rank: #25313 (+17)
25.2M → Finish
10:32/mi
10:44 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:23
Pace10:06 /mi
2nd Half
Distance13.11 mi
Time2:34:55
Pace11:49 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3429:209:2629:20
9:26
-
10K
6.21 mi12:19:0058:469:2729:26
9:28
+0:02
15K
9.32 mi12:50:511:30:379:4331:51
10:15
+0:47
20K
12.43 mi13:25:492:05:3510:0634:58
11:15
+1:00
Half
13.11 mi13:32:372:12:2310:066:48
9:58
-1:17
25K
15.53 mi14:02:022:41:4810:2529:25
12:08
+2:10
30K
18.64 mi14:40:423:20:2810:4538:40
12:27
+0:19
20M
20.00 mi14:56:543:36:4010:5016:12
11:55
-0:32
21M
21.00 mi15:10:053:49:5110:5713:11
13:11
+1:16
35K
21.75 mi15:17:553:57:4110:567:50
10:28
-2:43
23M
23.00 mi15:31:544:11:4010:5713:59
11:10
+0:42
24M
24.00 mi15:42:574:22:4310:5711:03
11:03
-0:07
40K
24.85 mi15:52:394:32:2510:589:42
11:21
+0:18
25.2M
25.20 mi15:56:484:36:3410:584:09
12:02
+0:41
Finish
26.22 mi16:07:324:47:1810:5810:44
10:32
-1:30

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

9:26 /mi

Average Pace

10:58 /mi

Slowest Pace

13:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:59

40% of race

Time at Steady Pace

1:09:42

24% of race

Time at Slower Pace

1:41:37

35% of race

Average Pace: 10:57 /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 mi11:49:3429:209:2629:20
9:26
#24036
10K
6.21 mi12:19:0058:469:2729:26
9:28
#24061
15K
9.32 mi12:50:511:30:379:4331:51
10:15
#24634
20K
12.43 mi13:25:492:05:3510:0634:58
11:15
#25242
Half
13.11 mi13:32:372:12:2310:066:48
9:58
#25222
25K
15.53 mi14:02:022:41:4810:2529:25
12:08
#25549
30K
18.64 mi14:40:423:20:2810:4538:40
12:27
#25684
20M
20.00 mi14:56:543:36:4010:5016:12
11:55
#25634
21M
21.00 mi15:10:053:49:5110:5713:11
13:11
#25613
35K
21.75 mi15:17:553:57:4110:567:50
10:28
#25545
23M
23.00 mi15:31:544:11:4010:5713:59
11:10
#25462
24M
24.00 mi15:42:574:22:4310:5711:03
11:03
#25409
40K
24.85 mi15:52:394:32:2510:589:42
11:21
#25360
25.2M
25.20 mi15:56:484:36:3410:584:09
12:02
#25330
Finish
26.22 mi16:07:324:47:1810:5810:44
10:32
#25313
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi24036142581425825506(Top 90%)14934(Top 93%)14934(Top 665%)
10K6.21 mi3.10 mi24061-2514279-2114279-2124032(Top 85%)14267(Top 89%)14267(Top 635%)
15K9.32 mi3.11 mi24634-57314540-26114540-26125506(Top 90%)14934(Top 93%)14934(Top 665%)
20K12.43 mi3.11 mi25242-60814811-27114811-27126345(Top 93%)15277(Top 95%)15277(Top 680%)
Half13.11 mi0.68 mi25222+2014797+1414797+1424740(Top 87%)14541(Top 90%)14541(Top 647%)
25K15.53 mi2.42 mi25549-32714938-14114938-14126568(Top 94%)15325(Top 95%)15325(Top 682%)
30K18.64 mi3.11 mi25684-13514955-1714955-1726112(Top 92%)15043(Top 93%)15043(Top 669%)
20M20.00 mi1.36 mi25634+5014922+3314922+3325145(Top 89%)14522(Top 90%)14522(Top 646%)
21M21.00 mi1.00 mi25613+2114903+1914903+1925290(Top 89%)14507(Top 90%)14507(Top 646%)
35K21.75 mi0.75 mi25545+6814868+3514868+3523078(Top 81%)13420(Top 83%)13420(Top 597%)
23M23.00 mi1.25 mi25462+8314808+6014808+6023590(Top 83%)13628(Top 85%)13628(Top 606%)
24M24.00 mi1.00 mi25409+5314778+3014778+3024077(Top 85%)13858(Top 86%)13858(Top 617%)
40K24.85 mi0.85 mi25360+4914754+2414754+2423830(Top 84%)13681(Top 85%)13681(Top 609%)
25.2M25.20 mi0.35 mi25330+3014738+1614738+1623257(Top 82%)13393(Top 83%)13393(Top 596%)
Finish26.22 mi1.02 mi25313+1714720+1814720+1824331(Top 86%)13938(Top 87%)13938(Top 620%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25506

Males

14934

M40-44

14934

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

24032

Males

14267

M40-44

14267

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25506

Males

14934

M40-44

14934

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26345

Males

15277

M40-44

15277

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24740

Males

14541

M40-44

14541

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26568

Males

15325

M40-44

15325

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

26112

Males

15043

M40-44

15043

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25145

Males

14522

M40-44

14522

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25290

Males

14507

M40-44

14507

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

23078

Males

13420

M40-44

13420

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23590

Males

13628

M40-44

13628

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24077

Males

13858

M40-44

13858

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23830

Males

13681

M40-44

13681

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23257

Males

13393

M40-44

13393

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24331

Males

13938

M40-44

13938

Passing Analysis

Category:
Athletes Passed
906
Passed By
2183
Net Change
-1277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24036
5K → 10K227252-25#24036#24061
10K → 15K30603-573#24061#24634
15K → 20K23631-608#24634#25242
20K → Half277+20#25242#25222
Half → 25K29356-327#25222#25549
25K → 30K75210-135#25549#25684
30K → 20M7424+50#25684#25634
20M → 21M5534+21#25634#25613
21M → 35K757+68#25613#25545
35K → 23M896+83#25545#25462
23M → 24M7219+53#25462#25409
24M → 40K5910+49#25409#25360
40K → 25.2M322+30#25360#25330
25.2M → Finish3922+17#25330#25313
TOTALS9062183-1277
📊

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