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BOSTON MARATHON 2025

Renate Bredenoort

Bib: 21023•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Masters (Masters Women)
#0 / 6759
Top 23%
Division (F45-49)
#0 / 1813
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:03
Rank: #17111
Start → 5K
25:03 | 8:04/mi
10K· 6.21 mi
50:08
Rank: #17028 (+83)
5K → 10K
25:05 | 8:04/mi
15K· 9.32 mi
1:15:24
Rank: #17003 (+25)
10K → 15K
25:16 | 8:08/mi
20K· 12.43 mi
1:41:10
Rank: #16973 (+30)
15K → 20K
25:46 | 8:18/mi
Half· 13.11 mi
1:46:41
Rank: #16943 (+30)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:06:32
Rank: #16604 (+339)
Half → 25K
19:51 | 8:11/mi
30K· 18.64 mi
2:32:15
Rank: #15990 (+614)
25K → 30K
25:43 | 8:17/mi
20M
2:43:37
Rank: #15709 (+281)
30K → 20M
11:22 | 8:22/mi
21M
2:52:33
Rank: #15513 (+196)
20M → 21M
8:56 | 8:56/mi
35K· 21.75 mi
2:58:31
Rank: #15357 (+156)
21M → 35K
5:58 | 7:59/mi
23M
3:08:54
Rank: #15123 (+234)
35K → 23M
10:23 | 8:18/mi
24M
3:16:57
Rank: #14926 (+197)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:23:47
Rank: #14734 (+192)
24M → 40K
6:50 | 8:00/mi
25.2M
3:26:44
Rank: #14626 (+108)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:34:31
Rank: #14426 (+200)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:41
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:47:50
Pace8:14 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4225:038:0425:03
8:04
-
10K
6.21 mi11:43:4750:088:0425:05
8:04
0:00
15K
9.32 mi12:09:031:15:248:0525:16
8:08
+0:04
20K
12.43 mi12:34:491:41:108:0825:46
8:18
+0:10
Half
13.11 mi12:40:201:46:418:085:31
8:05
-0:13
25K
15.53 mi13:00:112:06:328:0919:51
8:11
+0:06
30K
18.64 mi13:25:542:32:158:1025:43
8:17
+0:06
20M
20.00 mi13:37:162:43:378:1111:22
8:22
+0:05
21M
21.00 mi13:46:122:52:338:138:56
8:56
+0:34
35K
21.75 mi13:52:102:58:318:135:58
7:59
-0:57
23M
23.00 mi14:02:333:08:548:1310:23
8:18
+0:19
24M
24.00 mi14:10:363:16:578:128:03
8:03
-0:15
40K
24.85 mi14:17:263:23:478:126:50
8:00
-0:03
25.2M
25.20 mi14:20:233:26:448:122:57
8:33
+0:33
Finish
26.22 mi14:28:103:34:318:117:47
7:38
-0:55

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

7:38 /mi

Average Pace

8:11 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:38

94% of race

Time at Steady Pace

11:53

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi11:18:4225:038:0425:03
8:04
#17111
10K
6.21 mi11:43:4750:088:0425:05
8:04
#17028
15K
9.32 mi12:09:031:15:248:0525:16
8:08
#17003
20K
12.43 mi12:34:491:41:108:0825:46
8:18
#16973
Half
13.11 mi12:40:201:46:418:085:31
8:05
#16943
25K
15.53 mi13:00:112:06:328:0919:51
8:11
#16604
30K
18.64 mi13:25:542:32:158:1025:43
8:17
#15990
20M
20.00 mi13:37:162:43:378:1111:22
8:22
#15709
21M
21.00 mi13:46:122:52:338:138:56
8:56
#15513
35K
21.75 mi13:52:102:58:318:135:58
7:59
#15357
23M
23.00 mi14:02:333:08:548:1310:23
8:18
#15123
24M
24.00 mi14:10:363:16:578:128:03
8:03
#14926
40K
24.85 mi14:17:263:23:478:126:50
8:00
#14734
25.2M
25.20 mi14:20:233:26:448:122:57
8:33
#14626
Finish
26.22 mi14:28:103:34:318:117:47
7:38
#14426
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi171115801580116966(Top 60%)5710(Top 47%)5710(Top 315%)
10K6.21 mi3.10 mi17028+835741+605741+6017019(Top 60%)5711(Top 47%)5711(Top 315%)
15K9.32 mi3.11 mi17003+255714+275714+2716966(Top 60%)5710(Top 47%)5710(Top 315%)
20K12.43 mi3.11 mi16973+305721-75721-716903(Top 60%)5717(Top 47%)5717(Top 315%)
Half13.11 mi0.68 mi16943+305707+145707+1416539(Top 58%)5485(Top 45%)5485(Top 303%)
25K15.53 mi2.42 mi16604+3395527+1805527+18015240(Top 54%)4868(Top 40%)4868(Top 269%)
30K18.64 mi3.11 mi15990+6145213+3145213+31413357(Top 47%)4035(Top 33%)4035(Top 223%)
20M20.00 mi1.36 mi15709+2815100+1135100+11312959(Top 46%)3957(Top 32%)3957(Top 218%)
21M21.00 mi1.00 mi15513+1965019+815019+8113152(Top 46%)4197(Top 34%)4197(Top 231%)
35K21.75 mi0.75 mi15357+1564945+744945+7412173(Top 43%)3747(Top 31%)3747(Top 207%)
23M23.00 mi1.25 mi15123+2344840+1054840+10512029(Top 42%)3763(Top 31%)3763(Top 208%)
24M24.00 mi1.00 mi14926+1974760+804760+8011631(Top 41%)3646(Top 30%)3646(Top 201%)
40K24.85 mi0.85 mi14734+1924683+774683+7710210(Top 36%)3050(Top 25%)3050(Top 168%)
25.2M25.20 mi0.35 mi14626+1084629+544629+549256(Top 33%)2693(Top 22%)2693(Top 149%)
Finish26.22 mi1.02 mi14426+2004553+764553+7610266(Top 36%)3126(Top 26%)3126(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

16966

Females

5710

F45-49

5710

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17019

Females

5711

F45-49

5711

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

16966

Females

5710

F45-49

5710

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

16903

Females

5717

F45-49

5717

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16539

Females

5485

F45-49

5485

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

15240

Females

4868

F45-49

4868

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

13357

Females

4035

F45-49

4035

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12959

Females

3957

F45-49

3957

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13152

Females

4197

F45-49

4197

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12173

Females

3747

F45-49

3747

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

12029

Females

3763

F45-49

3763

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11631

Females

3646

F45-49

3646

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10210

Females

3050

F45-49

3050

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9256

Females

2693

F45-49

2693

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10266

Females

3126

F45-49

3126

Passing Analysis

Category:
Athletes Passed
3431
Passed By
746
Net Change
+2685
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17111
5K → 10K336253+83#17111#17028
10K → 15K211186+25#17028#17003
15K → 20K211181+30#17003#16973
20K → Half5020+30#16973#16943
Half → 25K35617+339#16943#16604
25K → 30K62814+614#16604#15990
30K → 20M29211+281#15990#15709
20M → 21M22327+196#15709#15513
21M → 35K1615+156#15513#15357
35K → 23M24511+234#15357#15123
23M → 24M20912+197#15123#14926
24M → 40K1920+192#14926#14734
40K → 25.2M1102+108#14734#14626
25.2M → Finish2077+200#14626#14426
TOTALS3431746+2685
📊

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