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BOSTON MARATHON 2025

Lydia Wester

Bib: 17716•F

AZ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 20%
Division (F18-39)
#0 / 5469
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:28
Rank: #12688
Start → 5K
7:33/mi
23:28 split
10K· 6.21 mi
47:04
Rank: #12794 (-106)
5K → 10K
7:36/mi
23:36 split
15K· 9.32 mi
1:10:36
Rank: #12627 (+167)
10K → 15K
7:34/mi
23:32 split
20K· 12.43 mi
1:34:21
Rank: #12421 (+206)
15K → 20K
7:39/mi
23:45 split
Half· 13.11 mi
1:39:33
Rank: #12444 (-23)
20K → Half
7:37/mi
5:12 split
25K· 15.53 mi
1:58:16
Rank: #12307 (+137)
Half → 25K
7:43/mi
18:43 split
30K· 18.64 mi
2:22:25
Rank: #11737 (+570)
25K → 30K
7:46/mi
24:09 split
20M
2:33:03
Rank: #11494 (+243)
30K → 20M
7:49/mi
10:38 split
21M
2:41:08
Rank: #11260 (+234)
20M → 21M
8:05/mi
8:05 split
35K· 21.75 mi
2:46:40
Rank: #11108 (+152)
21M → 35K
7:24/mi
5:32 split
23M
2:56:31
Rank: #10943 (+165)
35K → 23M
7:52/mi
9:51 split
24M
3:04:10
Rank: #10804 (+139)
23M → 24M
7:39/mi
7:39 split
40K· 24.85 mi
3:10:51
Rank: #10705 (+99)
24M → 40K
7:49/mi
6:41 split
25.2M
3:13:37
Rank: #10599 (+106)
40K → 25.2M
8:01/mi
2:46 split
Finish· 26.22 mi
3:20:59
Rank: #10427 (+172)
25.2M → Finish
7:14/mi
7:22 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:33
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:41:26
Pace7:44 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:3123:287:3323:28
7:33
-
10K
6.21 mi11:37:0747:047:3423:36
7:36
+0:03
15K
9.32 mi12:00:391:10:367:3423:32
7:34
-0:02
20K
12.43 mi12:24:241:34:217:3623:45
7:39
+0:05
Half
13.11 mi12:29:361:39:337:365:12
7:37
-0:02
25K
15.53 mi12:48:191:58:167:3718:43
7:43
+0:06
30K
18.64 mi13:12:282:22:257:3824:09
7:46
+0:03
20M
20.00 mi13:23:062:33:037:3910:38
7:49
+0:03
21M
21.00 mi13:31:112:41:087:408:05
8:05
+0:16
35K
21.75 mi13:36:432:46:407:405:32
7:24
-0:41
23M
23.00 mi13:46:342:56:317:409:51
7:52
+0:28
24M
24.00 mi13:54:133:04:107:407:39
7:39
-0:13
40K
24.85 mi14:00:543:10:517:416:41
7:49
+0:10
25.2M
25.20 mi14:03:403:13:377:412:46
8:01
+0:12
Finish
26.22 mi14:11:023:20:597:407:22
7:14
-0:47

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

7:14 /mi

Average Pace

7:40 /mi

Slowest Pace

8:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:08

95% of race

Time at Steady Pace

10:51

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi11:13:3123:287:3323:28
7:33
#12688
10K
6.21 mi11:37:0747:047:3423:36
7:36
#12794
15K
9.32 mi12:00:391:10:367:3423:32
7:34
#12627
20K
12.43 mi12:24:241:34:217:3623:45
7:39
#12421
Half
13.11 mi12:29:361:39:337:365:12
7:37
#12444
25K
15.53 mi12:48:191:58:167:3718:43
7:43
#12307
30K
18.64 mi13:12:282:22:257:3824:09
7:46
#11737
20M
20.00 mi13:23:062:33:037:3910:38
7:49
#11494
21M
21.00 mi13:31:112:41:087:408:05
8:05
#11260
35K
21.75 mi13:36:432:46:407:405:32
7:24
#11108
23M
23.00 mi13:46:342:56:317:409:51
7:52
#10943
24M
24.00 mi13:54:133:04:107:407:39
7:39
#10804
40K
24.85 mi14:00:543:10:517:416:41
7:49
#10705
25.2M
25.20 mi14:03:403:13:377:412:46
8:01
#10599
Finish
26.22 mi14:11:023:20:597:407:22
7:14
#10427
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126883153315312380(Top 44%)3099(Top 25%)3099(Top 57%)
10K6.21 mi3.10 mi12794-1063229-763229-7612993(Top 46%)3360(Top 27%)3360(Top 61%)
15K9.32 mi3.11 mi12627+1673168+613168+6112380(Top 44%)3099(Top 25%)3099(Top 57%)
20K12.43 mi3.11 mi12421+2063097+713097+7111915(Top 42%)2950(Top 24%)2950(Top 54%)
Half13.11 mi0.68 mi12444-233118-213118-2112769(Top 45%)3348(Top 27%)3348(Top 61%)
25K15.53 mi2.42 mi12307+1373077+413077+4111705(Top 41%)2964(Top 24%)2964(Top 54%)
30K18.64 mi3.11 mi11737+5702863+2142863+2149735(Top 34%)2156(Top 18%)2156(Top 39%)
20M20.00 mi1.36 mi11494+2432769+942769+949217(Top 32%)2087(Top 17%)2087(Top 38%)
21M21.00 mi1.00 mi11260+2342689+802689+807893(Top 28%)1690(Top 14%)1690(Top 31%)
35K21.75 mi0.75 mi11108+1522624+652624+657965(Top 28%)1682(Top 14%)1682(Top 31%)
23M23.00 mi1.25 mi10943+1652588+362588+369078(Top 32%)2295(Top 19%)2295(Top 42%)
24M24.00 mi1.00 mi10804+1392552+362552+368816(Top 31%)2242(Top 18%)2242(Top 41%)
40K24.85 mi0.85 mi10705+992529+232529+238914(Top 31%)2411(Top 20%)2411(Top 44%)
25.2M25.20 mi0.35 mi10599+1062484+452484+456178(Top 22%)1336(Top 11%)1336(Top 24%)
Finish26.22 mi1.02 mi10427+1722430+542430+547262(Top 26%)1761(Top 14%)1761(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

12380

Females

3099

F18-39

3099

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12993

Females

3360

F18-39

3360

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

12380

Females

3099

F18-39

3099

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11915

Females

2950

F18-39

2950

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12769

Females

3348

F18-39

3348

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11705

Females

2964

F18-39

2964

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9735

Females

2156

F18-39

2156

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

9217

Females

2087

F18-39

2087

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7893

Females

1690

F18-39

1690

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7965

Females

1682

F18-39

1682

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9078

Females

2295

F18-39

2295

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8816

Females

2242

F18-39

2242

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8914

Females

2411

F18-39

2411

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6178

Females

1336

F18-39

1336

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

7262

Females

1761

F18-39

1761

Passing Analysis

Category:
Athletes Passed
3065
Passed By
804
Net Change
+2261
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12688
5K → 10K238344-106#12688#12794
10K → 15K278111+167#12794#12627
15K → 20K29185+206#12627#12421
20K → Half2144-23#12421#12444
Half → 25K22083+137#12444#12307
25K → 30K59424+570#12307#11737
30K → 20M2529+243#11737#11494
20M → 21M24612+234#11494#11260
21M → 35K1542+152#11260#11108
35K → 23M19631+165#11108#10943
23M → 24M16122+139#10943#10804
24M → 40K11718+99#10804#10705
40K → 25.2M1104+106#10705#10599
25.2M → Finish18715+172#10599#10427
TOTALS3065804+2261
📊

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