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BOSTON MARATHON 2025

Sydnie Fetherolf

Bib: 16148•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 21%
Division (F18-39)
#0 / 5469
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:51
Rank: #8095
Start → 5K
21:51 | 7:02/mi
10K· 6.21 mi
43:47
Rank: #8235 (-140)
5K → 10K
21:56 | 7:04/mi
15K· 9.32 mi
1:05:36
Rank: #8032 (+203)
10K → 15K
21:49 | 7:01/mi
20K· 12.43 mi
1:28:09
Rank: #8141 (-109)
15K → 20K
22:33 | 7:15/mi
Half· 13.11 mi
1:33:04
Rank: #8167 (-26)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:51:32
Rank: #8517 (-350)
Half → 25K
18:28 | 7:37/mi
30K· 18.64 mi
2:16:44
Rank: #9156 (-639)
25K → 30K
25:12 | 8:07/mi
20M
2:28:04
Rank: #9409 (-253)
30K → 20M
11:20 | 8:20/mi
21M
2:36:50
Rank: #9543 (-134)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
2:42:58
Rank: #9687 (-144)
21M → 35K
6:08 | 8:12/mi
23M
2:53:46
Rank: #9976 (-289)
35K → 23M
10:48 | 8:38/mi
24M
3:02:35
Rank: #10292 (-316)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:10:17
Rank: #10534 (-242)
24M → 40K
7:42 | 9:00/mi
25.2M
3:13:33
Rank: #10578 (-44)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:21:39
Rank: #10629 (-51)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:04
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:48:35
Pace8:17 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5021:517:0221:51
7:02
-
10K
6.21 mi11:17:4643:477:0321:56
7:04
+0:02
15K
9.32 mi11:39:351:05:367:0221:49
7:01
-0:03
20K
12.43 mi12:02:081:28:097:0622:33
7:15
+0:14
Half
13.11 mi12:07:031:33:047:064:55
7:12
-0:03
25K
15.53 mi12:25:311:51:327:1118:28
7:37
+0:25
30K
18.64 mi12:50:432:16:447:2025:12
8:07
+0:30
20M
20.00 mi13:02:032:28:047:2411:20
8:20
+0:13
21M
21.00 mi13:10:492:36:507:288:46
8:46
+0:26
35K
21.75 mi13:16:572:42:587:306:08
8:12
-0:34
23M
23.00 mi13:27:452:53:467:3310:48
8:38
+0:26
24M
24.00 mi13:36:343:02:357:368:49
8:49
+0:11
40K
24.85 mi13:44:163:10:177:397:42
9:00
+0:11
25.2M
25.20 mi13:47:323:13:337:413:16
9:28
+0:28
Finish
26.22 mi13:55:383:21:397:428:06
7:57
-1:31

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

7:01 /mi

Average Pace

7:42 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:32

55% of race

Time at Steady Pace

50:46

25% of race

Time at Slower Pace

39:21

20% of race

Average Pace: 7:41 /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 mi10:55:5021:517:0221:51
7:02
#8095
10K
6.21 mi11:17:4643:477:0321:56
7:04
#8235
15K
9.32 mi11:39:351:05:367:0221:49
7:01
#8032
20K
12.43 mi12:02:081:28:097:0622:33
7:15
#8141
Half
13.11 mi12:07:031:33:047:064:55
7:12
#8167
25K
15.53 mi12:25:311:51:327:1118:28
7:37
#8517
30K
18.64 mi12:50:432:16:447:2025:12
8:07
#9156
20M
20.00 mi13:02:032:28:047:2411:20
8:20
#9409
21M
21.00 mi13:10:492:36:507:288:46
8:46
#9543
35K
21.75 mi13:16:572:42:587:306:08
8:12
#9687
23M
23.00 mi13:27:452:53:467:3310:48
8:38
#9976
24M
24.00 mi13:36:343:02:357:368:49
8:49
#10292
40K
24.85 mi13:44:163:10:177:397:42
9:00
#10534
25.2M
25.20 mi13:47:323:13:337:413:16
9:28
#10578
Finish
26.22 mi13:55:383:21:397:428:06
7:57
#10629
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8095101610167790(Top 27%)970(Top 8%)970(Top 18%)
10K6.21 mi3.10 mi8235-1401084-681084-688372(Top 29%)1136(Top 9%)1136(Top 21%)
15K9.32 mi3.11 mi8032+2031016+681016+687790(Top 27%)970(Top 8%)970(Top 18%)
20K12.43 mi3.11 mi8141-1091077-611077-618708(Top 31%)1405(Top 11%)1405(Top 26%)
Half13.11 mi0.68 mi8167-261097-201097-209227(Top 32%)1612(Top 13%)1612(Top 29%)
25K15.53 mi2.42 mi8517-3501252-1551252-15510926(Top 38%)2548(Top 21%)2548(Top 47%)
30K18.64 mi3.11 mi9156-6391580-3281580-32812182(Top 43%)3377(Top 28%)3377(Top 62%)
20M20.00 mi1.36 mi9409-2531729-1491729-14912764(Top 45%)3830(Top 31%)3830(Top 70%)
21M21.00 mi1.00 mi9543-1341818-891818-8912101(Top 43%)3646(Top 30%)3646(Top 67%)
35K21.75 mi0.75 mi9687-1441899-811899-8113627(Top 48%)4474(Top 37%)4474(Top 82%)
23M23.00 mi1.25 mi9976-2892099-2002099-20014092(Top 50%)4836(Top 40%)4836(Top 88%)
24M24.00 mi1.00 mi10292-3162280-1812280-18116413(Top 58%)6149(Top 50%)6149(Top 112%)
40K24.85 mi0.85 mi10534-2422431-1512431-15116336(Top 58%)6213(Top 51%)6213(Top 114%)
25.2M25.20 mi0.35 mi10578-442476-452476-4514447(Top 51%)5236(Top 43%)5236(Top 96%)
Finish26.22 mi1.02 mi10629-512536-602536-6012546(Top 44%)4203(Top 34%)4203(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7790

Females

970

F18-39

970

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

8372

Females

1136

F18-39

1136

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7790

Females

970

F18-39

970

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8708

Females

1405

F18-39

1405

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

9227

Females

1612

F18-39

1612

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10926

Females

2548

F18-39

2548

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12182

Females

3377

F18-39

3377

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12764

Females

3830

F18-39

3830

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12101

Females

3646

F18-39

3646

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13627

Females

4474

F18-39

4474

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14092

Females

4836

F18-39

4836

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16413

Females

6149

F18-39

6149

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16336

Females

6213

F18-39

6213

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14447

Females

5236

F18-39

5236

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12546

Females

4203

F18-39

4203

Passing Analysis

Category:
Athletes Passed
999
Passed By
3530
Net Change
-2534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8095
5K → 10K162302-140#8095#8235
10K → 15K25653+203#8235#8032
15K → 20K110219-109#8032#8141
20K → Half2046-26#8141#8167
Half → 25K53403-350#8167#8517
25K → 30K84723-639#8517#9156
30K → 20M45298-253#9156#9409
20M → 21M52186-134#9409#9543
21M → 35K32176-144#9543#9687
35K → 23M46334-289#9687#9976
23M → 24M27341-316#9976#10292
24M → 40K25267-242#10292#10534
40K → 25.2M3074-44#10534#10578
25.2M → Finish57108-51#10578#10629
TOTALS9993530-2534
📊

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