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BOSTON MARATHON 2025

Susan Behroozi

Bib: 20017•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 50%
Masters (Masters Women)
#0 / 6759
Top 39%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:16
Rank: #17609
Start → 5K
25:16 | 8:08/mi
10K· 6.21 mi
50:25
Rank: #17363 (+246)
5K → 10K
25:09 | 8:06/mi
15K· 9.32 mi
1:15:36
Rank: #17165 (+198)
10K → 15K
25:11 | 8:06/mi
20K· 12.43 mi
1:41:00
Rank: #16874 (+291)
15K → 20K
25:24 | 8:11/mi
Half· 13.11 mi
1:46:36
Rank: #16904 (-30)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:07:48
Rank: #17130 (-226)
Half → 25K
21:12 | 8:45/mi
30K· 18.64 mi
2:35:40
Rank: #17145 (-15)
25K → 30K
27:52 | 8:58/mi
20M
2:48:18
Rank: #17230 (-85)
30K → 20M
12:38 | 9:18/mi
21M
2:58:26
Rank: #17345 (-115)
20M → 21M
10:08 | 10:08/mi
35K· 21.75 mi
3:04:55
Rank: #17295 (+50)
21M → 35K
6:29 | 8:40/mi
23M
3:16:17
Rank: #17254 (+41)
35K → 23M
11:22 | 9:05/mi
24M
3:25:02
Rank: #17177 (+77)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:32:50
Rank: #17166 (+11)
24M → 40K
7:48 | 9:07/mi
25.2M
3:36:26
Rank: #17205 (-39)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:45:05
Rank: #17157 (+48)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:36
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:58:29
Pace9:02 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5125:168:0825:16
8:08
-
10K
6.21 mi11:42:0050:258:0725:09
8:06
-0:02
15K
9.32 mi12:07:111:15:368:0725:11
8:06
0:00
20K
12.43 mi12:32:351:41:008:0825:24
8:11
+0:05
Half
13.11 mi12:38:111:46:368:085:36
8:12
+0:01
25K
15.53 mi12:59:232:07:488:1421:12
8:45
+0:33
30K
18.64 mi13:27:152:35:408:2127:52
8:58
+0:13
20M
20.00 mi13:39:532:48:188:2512:38
9:18
+0:20
21M
21.00 mi13:50:012:58:268:3010:08
10:08
+0:50
35K
21.75 mi13:56:303:04:558:306:29
8:40
-1:28
23M
23.00 mi14:07:523:16:178:3211:22
9:05
+0:25
24M
24.00 mi14:16:373:25:028:338:45
8:45
-0:20
40K
24.85 mi14:24:253:32:508:347:48
9:07
+0:22
25.2M
25.20 mi14:28:013:36:268:353:36
10:26
+1:19
Finish
26.22 mi14:36:403:45:058:358:39
8:29
-1:57

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

8:06 /mi

Average Pace

8:35 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:36

47% of race

Time at Steady Pace

1:24:19

37% of race

Time at Slower Pace

34:10

15% of race

Average Pace: 8:35 /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 mi11:16:5125:168:0825:16
8:08
#17609
10K
6.21 mi11:42:0050:258:0725:09
8:06
#17363
15K
9.32 mi12:07:111:15:368:0725:11
8:06
#17165
20K
12.43 mi12:32:351:41:008:0825:24
8:11
#16874
Half
13.11 mi12:38:111:46:368:085:36
8:12
#16904
25K
15.53 mi12:59:232:07:488:1421:12
8:45
#17130
30K
18.64 mi13:27:152:35:408:2127:52
8:58
#17145
20M
20.00 mi13:39:532:48:188:2512:38
9:18
#17230
21M
21.00 mi13:50:012:58:268:3010:08
10:08
#17345
35K
21.75 mi13:56:303:04:558:306:29
8:40
#17295
23M
23.00 mi14:07:523:16:178:3211:22
9:05
#17254
24M
24.00 mi14:16:373:25:028:338:45
8:45
#17177
40K
24.85 mi14:24:253:32:508:347:48
9:07
#17166
25.2M
25.20 mi14:28:013:36:268:353:36
10:26
#17205
Finish
26.22 mi14:36:403:45:058:358:39
8:29
#17157
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi176096102610216785(Top 59%)5600(Top 46%)5600(Top 326%)
10K6.21 mi3.10 mi17363+2465949+1535949+15317173(Top 60%)5803(Top 47%)5803(Top 338%)
15K9.32 mi3.11 mi17165+1985810+1395810+13916785(Top 59%)5600(Top 46%)5600(Top 326%)
20K12.43 mi3.11 mi16874+2915663+1475663+14716160(Top 57%)5312(Top 43%)5312(Top 309%)
Half13.11 mi0.68 mi16904-305682-195682-1917380(Top 61%)5979(Top 49%)5979(Top 348%)
25K15.53 mi2.42 mi17130-2265844-1625844-16218642(Top 66%)6775(Top 55%)6775(Top 394%)
30K18.64 mi3.11 mi17145-155900-565900-5617523(Top 62%)6318(Top 52%)6318(Top 368%)
20M20.00 mi1.36 mi17230-855985-855985-8518290(Top 64%)6881(Top 56%)6881(Top 401%)
21M21.00 mi1.00 mi17345-1156085-1006085-10018809(Top 66%)7234(Top 59%)7234(Top 421%)
35K21.75 mi0.75 mi17295+506076+96076+916510(Top 58%)6069(Top 50%)6069(Top 353%)
23M23.00 mi1.25 mi17254+416086-106086-1016717(Top 59%)6284(Top 51%)6284(Top 366%)
24M24.00 mi1.00 mi17177+776061+256061+2516051(Top 57%)5960(Top 49%)5960(Top 347%)
40K24.85 mi0.85 mi17166+116081-206081-2016991(Top 60%)6574(Top 54%)6574(Top 383%)
25.2M25.20 mi0.35 mi17205-396116-356116-3518814(Top 66%)7525(Top 62%)7525(Top 438%)
Finish26.22 mi1.02 mi17157+486107+96107+916176(Top 57%)6120(Top 50%)6120(Top 356%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16785

Females

5600

F40-44

5600

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17173

Females

5803

F40-44

5803

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16785

Females

5600

F40-44

5600

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16160

Females

5312

F40-44

5312

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17380

Females

5979

F40-44

5979

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

18642

Females

6775

F40-44

6775

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17523

Females

6318

F40-44

6318

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18290

Females

6881

F40-44

6881

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18809

Females

7234

F40-44

7234

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

16510

Females

6069

F40-44

6069

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16717

Females

6284

F40-44

6284

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16051

Females

5960

F40-44

5960

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16991

Females

6574

F40-44

6574

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18814

Females

7525

F40-44

7525

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16176

Females

6120

F40-44

6120

Passing Analysis

Category:
Athletes Passed
2096
Passed By
1644
Net Change
+452
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17609
5K → 10K424178+246#17609#17363
10K → 15K317119+198#17363#17165
15K → 20K34554+291#17165#16874
20K → Half2555-30#16874#16904
Half → 25K91317-226#16904#17130
25K → 30K224239-15#17130#17145
30K → 20M85170-85#17145#17230
20M → 21M62177-115#17230#17345
21M → 35K9141+50#17345#17295
35K → 23M12887+41#17295#17254
23M → 24M11942+77#17254#17177
24M → 40K6958+11#17177#17166
40K → 25.2M2665-39#17166#17205
25.2M → Finish9042+48#17205#17157
TOTALS20961644+452
📊

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