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BOSTON MARATHON 2025

Sydney Devore

Bib: 155•F

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 38%
Gender (Female)
#0 / 12228
Top 22%
Division (F18-39)
#0 / 5469
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:14
Rank: #9129
Start → 5K
22:14 | 7:09/mi
10K· 6.21 mi
44:18
Rank: #8875 (+254)
5K → 10K
22:04 | 7:06/mi
15K· 9.32 mi
1:06:27
Rank: #8742 (+133)
10K → 15K
22:09 | 7:08/mi
20K· 12.43 mi
1:30:01
Rank: #9372 (-630)
15K → 20K
23:34 | 7:35/mi
Half· 13.11 mi
1:35:02
Rank: #9401 (-29)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:53:16
Rank: #9505 (-104)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:17:59
Rank: #9725 (-220)
25K → 30K
24:43 | 7:57/mi
20M
2:29:56
Rank: #10226 (-501)
30K → 20M
11:57 | 8:48/mi
21M
2:38:30
Rank: #10228 (-2)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:44:30
Rank: #10317 (-89)
21M → 35K
6:00 | 8:01/mi
23M
2:54:48
Rank: #10347 (-30)
35K → 23M
10:18 | 8:14/mi
24M
3:03:30
Rank: #10591 (-244)
23M → 24M
8:42 | 8:42/mi
40K· 24.85 mi
3:10:48
Rank: #10689 (-98)
24M → 40K
7:18 | 8:32/mi
25.2M
3:14:01
Rank: #10727 (-38)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:22:20
Rank: #10847 (-120)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:02
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:47:18
Pace8:11 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:0122:147:0922:14
7:09
-
10K
6.21 mi10:50:0544:187:0822:04
7:06
-0:03
15K
9.32 mi11:12:141:06:277:0822:09
7:08
+0:02
20K
12.43 mi11:35:481:30:017:1523:34
7:35
+0:27
Half
13.11 mi11:40:491:35:027:155:01
7:21
-0:14
25K
15.53 mi11:59:031:53:167:1718:14
7:31
+0:10
30K
18.64 mi12:23:462:17:597:2424:43
7:57
+0:26
20M
20.00 mi12:35:432:29:567:3011:57
8:48
+0:51
21M
21.00 mi12:44:172:38:307:338:34
8:34
-0:14
35K
21.75 mi12:50:172:44:307:346:00
8:01
-0:33
23M
23.00 mi13:00:352:54:487:3610:18
8:14
+0:13
24M
24.00 mi13:09:173:03:307:398:42
8:42
+0:28
40K
24.85 mi13:16:353:10:487:417:18
8:32
-0:10
25.2M
25.20 mi13:19:483:14:017:423:13
9:20
+0:48
Finish
26.22 mi13:28:073:22:207:438:19
8:10
-1:10

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

7:06 /mi

Average Pace

7:43 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:16

56% of race

Time at Steady Pace

49:20

24% of race

Time at Slower Pace

39:44

20% of race

Average Pace: 7:43 /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 mi10:28:0122:147:0922:14
7:09
#9129
10K
6.21 mi10:50:0544:187:0822:04
7:06
#8875
15K
9.32 mi11:12:141:06:277:0822:09
7:08
#8742
20K
12.43 mi11:35:481:30:017:1523:34
7:35
#9372
Half
13.11 mi11:40:491:35:027:155:01
7:21
#9401
25K
15.53 mi11:59:031:53:167:1718:14
7:31
#9505
30K
18.64 mi12:23:462:17:597:2424:43
7:57
#9725
20M
20.00 mi12:35:432:29:567:3011:57
8:48
#10226
21M
21.00 mi12:44:172:38:307:338:34
8:34
#10228
35K
21.75 mi12:50:172:44:307:346:00
8:01
#10317
23M
23.00 mi13:00:352:54:487:3610:18
8:14
#10347
24M
24.00 mi13:09:173:03:307:398:42
8:42
#10591
40K
24.85 mi13:16:353:10:487:417:18
8:32
#10689
25.2M
25.20 mi13:19:483:14:017:423:13
9:20
#10727
Finish
26.22 mi13:28:073:22:207:438:19
8:10
#10847
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9129142514258560(Top 30%)1256(Top 10%)1256(Top 23%)
10K6.21 mi3.10 mi8875+2541335+901335+908715(Top 31%)1272(Top 10%)1272(Top 23%)
15K9.32 mi3.11 mi8742+1331291+441291+448560(Top 30%)1256(Top 10%)1256(Top 23%)
20K12.43 mi3.11 mi9372-6301585-2941585-29411482(Top 40%)2731(Top 22%)2731(Top 50%)
Half13.11 mi0.68 mi9401-291602-171602-1710556(Top 37%)2221(Top 18%)2221(Top 41%)
25K15.53 mi2.42 mi9505-1041687-851687-8510170(Top 36%)2175(Top 18%)2175(Top 40%)
30K18.64 mi3.11 mi9725-2201837-1501837-15011073(Top 39%)2824(Top 23%)2824(Top 52%)
20M20.00 mi1.36 mi10226-5012102-2652102-26515626(Top 55%)5370(Top 44%)5370(Top 98%)
21M21.00 mi1.00 mi10228-22155-532155-5310912(Top 38%)3049(Top 25%)3049(Top 56%)
35K21.75 mi0.75 mi10317-892222-672222-6712401(Top 44%)3836(Top 31%)3836(Top 70%)
23M23.00 mi1.25 mi10347-302285-632285-6311542(Top 41%)3497(Top 29%)3497(Top 64%)
24M24.00 mi1.00 mi10591-2442439-1542439-15415749(Top 55%)5767(Top 47%)5767(Top 105%)
40K24.85 mi0.85 mi10689-982520-812520-8113676(Top 48%)4787(Top 39%)4787(Top 88%)
25.2M25.20 mi0.35 mi10727-382551-312551-3113619(Top 48%)4799(Top 39%)4799(Top 88%)
Finish26.22 mi1.02 mi10847-1202657-1062657-10614013(Top 49%)4944(Top 40%)4944(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8560

Females

1256

F18-39

1256

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8715

Females

1272

F18-39

1272

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8560

Females

1256

F18-39

1256

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11482

Females

2731

F18-39

2731

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10556

Females

2221

F18-39

2221

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10170

Females

2175

F18-39

2175

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11073

Females

2824

F18-39

2824

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15626

Females

5370

F18-39

5370

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10912

Females

3049

F18-39

3049

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

12401

Females

3836

F18-39

3836

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11542

Females

3497

F18-39

3497

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15749

Females

5767

F18-39

5767

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13676

Females

4787

F18-39

4787

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13619

Females

4799

F18-39

4799

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

14013

Females

4944

F18-39

4944

Passing Analysis

Category:
Athletes Passed
1361
Passed By
3077
Net Change
-1718
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9129
5K → 10K362108+254#9129#8875
10K → 15K22895+133#8875#8742
15K → 20K54684-630#8742#9372
20K → Half1645-29#9372#9401
Half → 25K127231-104#9401#9505
25K → 30K159379-220#9505#9725
30K → 20M33532-501#9725#10226
20M → 21M109111-2#10226#10228
21M → 35K36125-89#10228#10317
35K → 23M101131-30#10317#10347
23M → 24M30274-244#10347#10591
24M → 40K41139-98#10591#10689
40K → 25.2M2260-38#10689#10727
25.2M → Finish43163-120#10727#10847
TOTALS13613077-1718
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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