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BOSTON MARATHON 2025

Noah Bloom

Bib: 5424•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 14%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M45-49)
#0 / 2386
Top 5%
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
6:07/mi
19:01
↑ 97↓ 3451.5%
10K· 6.21 mi
6:03/mi
37:50
↑ 79↓ 1380.4%
15K· 9.32 mi
6:09/mi
56:57
↑ 67↓ 78
20K· 12.43 mi
6:12/mi
1:16:13
↑ 106↓ 860.1%
Half· 13.11 mi
6:08/mi
1:20:24
↑ 19↓ 370.5%
25K· 15.53 mi
6:19/mi
1:35:44
↑ 66↓ 880.2%
30K· 18.64 mi
6:42/mi
1:56:34
↑ 181↓ 1480.2%
20M
7:02/mi
2:06:07
↑ 64↓ 500.2%
21M
7:30/mi
2:13:37
↑ 106↓ 241.6%
35K· 21.75 mi
7:00/mi
2:18:51
↑ 17↓ 861.7%
23M
7:13/mi
2:27:53
↑ 23↓ 630.6%
24M
6:58/mi
2:34:51
↓ 821.3%
40K· 24.85 mi
7:07/mi
2:40:56
↓ 200.3%
25.2M
7:53/mi
2:43:39
↑ 13↓ 160.2%
Finish· 26.22 mi
7:11/mi
2:50:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:24
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:30:34
Pace6:55 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1719:016:0719:01
6:07
-
10K
6.21 mi10:41:0637:506:0518:49
6:03
-0:04
15K
9.32 mi11:00:1356:576:0719:07
6:09
+0:06
20K
12.43 mi11:19:291:16:136:0819:16
6:12
+0:03
Half
13.11 mi11:23:401:20:246:084:11
6:08
-0:04
25K
15.53 mi11:39:001:35:446:1015:20
6:19
+0:11
30K
18.64 mi11:59:501:56:346:1520:50
6:42
+0:23
20M
20.00 mi12:09:232:06:076:189:33
7:02
+0:20
21M
21.00 mi12:16:532:13:376:227:30
7:30
+0:28
35K
21.75 mi12:22:072:18:516:235:14
7:00
-0:30
23M
23.00 mi12:31:092:27:536:269:02
7:13
+0:13
24M
24.00 mi12:38:072:34:516:276:58
6:58
-0:15
40K
24.85 mi12:44:122:40:566:286:05
7:07
+0:09
25.2M
25.20 mi12:46:552:43:396:302:43
7:53
+0:46
Finish
26.22 mi12:54:142:50:586:327:19
7:11
-0:42

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

6:03 /mi

Average Pace

6:32 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:44

56% of race

Time at Steady Pace

1:05:01

38% of race

Time at Slower Pace

10:13

6% of race

Average Pace: 6:31 /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 mi10:22:1719:016:0719:01
6:07
#1490
10K
6.21 mi10:41:0637:506:0518:49
6:03
#1381
15K
9.32 mi11:00:1356:576:0719:07
6:09
#1447
20K
12.43 mi11:19:291:16:136:0819:16
6:12
#1462
Half
13.11 mi11:23:401:20:246:084:11
6:08
#1475
25K
15.53 mi11:39:001:35:446:1015:20
6:19
#1520
30K
18.64 mi11:59:501:56:346:1520:50
6:42
#1725
20M
20.00 mi12:09:232:06:076:189:33
7:02
#1864
21M
21.00 mi12:16:532:13:376:227:30
7:30
#1970
35K
21.75 mi12:22:072:18:516:235:14
7:00
#2066
23M
23.00 mi12:31:092:27:536:269:02
7:13
#2169
24M
24.00 mi12:38:072:34:516:276:58
6:58
#2223
40K
24.85 mi12:44:122:40:566:286:05
7:07
#2285
25.2M
25.20 mi12:46:552:43:396:302:43
7:53
#2315
Finish
26.22 mi12:54:142:50:586:327:19
7:11
#2432
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1490142014201625(Top 6%)1542(Top 10%)1542(Top 65%)
10K6.21 mi3.10 mi1381+1091314+1061314+1061316(Top 5%)1249(Top 8%)1249(Top 52%)
15K9.32 mi3.11 mi1447-661372-581372-581625(Top 6%)1542(Top 10%)1542(Top 65%)
20K12.43 mi3.11 mi1462-151388-161388-161597(Top 6%)1517(Top 9%)1517(Top 64%)
Half13.11 mi0.68 mi1475-131400-121400-121700(Top 6%)1619(Top 10%)1619(Top 68%)
25K15.53 mi2.42 mi1520-451441-411441-411999(Top 7%)1903(Top 12%)1903(Top 80%)
30K18.64 mi3.11 mi1725-2051640-1991640-1992916(Top 10%)2747(Top 17%)2747(Top 115%)
20M20.00 mi1.36 mi1864-1391773-1331773-1334282(Top 15%)3905(Top 24%)3905(Top 164%)
21M21.00 mi1.00 mi1970-1061874-1011874-1014614(Top 16%)4084(Top 25%)4084(Top 171%)
35K21.75 mi0.75 mi2066-961965-911965-915315(Top 19%)4597(Top 29%)4597(Top 193%)
23M23.00 mi1.25 mi2169-1032065-1002065-1004963(Top 17%)4289(Top 27%)4289(Top 180%)
24M24.00 mi1.00 mi2223-542115-502115-504437(Top 16%)3858(Top 24%)3858(Top 162%)
40K24.85 mi0.85 mi2285-622172-572172-574559(Top 16%)3891(Top 24%)3891(Top 163%)
25.2M25.20 mi0.35 mi2315-302200-282200-285264(Top 19%)4285(Top 27%)4285(Top 180%)
Finish26.22 mi1.02 mi2432-1172306-1062306-1066900(Top 24%)5266(Top 33%)5266(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1625

Males

1542

M45-49

1542

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1316

Males

1249

M45-49

1249

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1625

Males

1542

M45-49

1542

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1597

Males

1517

M45-49

1517

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1700

Males

1619

M45-49

1619

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

1999

Males

1903

M45-49

1903

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2916

Males

2747

M45-49

2747

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

4282

Males

3905

M45-49

3905

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4614

Males

4084

M45-49

4084

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5315

Males

4597

M45-49

4597

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4963

Males

4289

M45-49

4289

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4437

Males

3858

M45-49

3858

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4559

Males

3891

M45-49

3891

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5264

Males

4285

M45-49

4285

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6900

Males

5266

M45-49

5266

Passing Analysis

Category:
Athletes Passed
377
Passed By
1319
Net Change
-942
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1490
5K → 10K13425+109#1490#1381
10K → 15K2692-66#1381#1447
15K → 20K4560-15#1447#1462
20K → Half518-13#1462#1475
Half → 25K2772-45#1475#1520
25K → 30K21226-205#1520#1725
30K → 20M13152-139#1725#1864
20M → 21M14120-106#1864#1970
21M → 35K12108-96#1970#2066
35K → 23M16119-103#2066#2169
23M → 24M2882-54#2169#2223
24M → 40K2284-62#2223#2285
40K → 25.2M636-30#2285#2315
25.2M → Finish8125-117#2315#2432
TOTALS3771319-942
📊

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