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BOSTON MARATHON 2025

Kelly Smith

Bib: 17292•F

IL

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:56/mi
24:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
49:30
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:14:32
↑ 67↓ 78
20K· 12.43 mi
8:05/mi
1:39:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:45:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:11/mi
2:05:00
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:31:11
↑ 181↓ 1480.2%
20M
8:29/mi
2:42:43
↑ 64↓ 500.2%
21M
8:59/mi
2:51:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:57:45
↑ 17↓ 861.7%
23M
8:22/mi
3:08:14
↑ 23↓ 630.6%
24M
8:06/mi
3:16:20
↓ 821.3%
40K· 24.85 mi
8:11/mi
3:23:20
↓ 200.3%
25.2M
8:56/mi
3:26:25
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:34:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:10
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:49:04
Pace8:19 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5824:397:5624:39
7:56
-
10K
6.21 mi11:39:4949:307:5824:51
8:00
+0:04
15K
9.32 mi12:04:511:14:328:0025:02
8:03
+0:03
20K
12.43 mi12:29:591:39:408:0125:08
8:05
+0:02
Half
13.11 mi12:35:291:45:108:015:30
8:04
-0:01
25K
15.53 mi12:55:192:05:008:0319:50
8:11
+0:07
30K
18.64 mi13:21:302:31:118:0726:11
8:26
+0:15
20M
20.00 mi13:33:022:42:438:0811:32
8:29
+0:03
21M
21.00 mi13:42:012:51:428:118:59
8:59
+0:30
35K
21.75 mi13:48:042:57:458:106:03
8:05
-0:54
23M
23.00 mi13:58:333:08:148:1110:29
8:22
+0:17
24M
24.00 mi14:06:393:16:208:118:06
8:06
-0:16
40K
24.85 mi14:13:393:23:208:117:00
8:11
+0:05
25.2M
25.20 mi14:16:443:26:258:113:05
8:56
+0:45
Finish
26.22 mi14:24:333:34:148:117:49
7:40
-1:16

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

7:40 /mi

Average Pace

8:11 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:27

77% of race

Time at Steady Pace

49:47

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:14:5824:397:5624:39
7:56
#16060
10K
6.21 mi11:39:4949:307:5824:51
8:00
#16230
15K
9.32 mi12:04:511:14:328:0025:02
8:03
#16302
20K
12.43 mi12:29:591:39:408:0125:08
8:05
#16089
Half
13.11 mi12:35:291:45:108:015:30
8:04
#16118
25K
15.53 mi12:55:192:05:008:0319:50
8:11
#15935
30K
18.64 mi13:21:302:31:118:0726:11
8:26
#15599
20M
20.00 mi13:33:022:42:438:0811:32
8:29
#15404
21M
21.00 mi13:42:012:51:428:118:59
8:59
#15221
35K
21.75 mi13:48:042:57:458:106:03
8:05
#15106
23M
23.00 mi13:58:333:08:148:1110:29
8:22
#14900
24M
24.00 mi14:06:393:16:208:118:06
8:06
#14755
40K
24.85 mi14:13:393:23:208:117:00
8:11
#14597
25.2M
25.20 mi14:16:443:26:258:113:05
8:56
#14538
Finish
26.22 mi14:24:333:34:148:117:49
7:40
#14356
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi160605181518116468(Top 58%)5411(Top 44%)5411(Top 99%)
10K6.21 mi3.10 mi16230-1705283-1025283-10216477(Top 58%)5407(Top 44%)5407(Top 99%)
15K9.32 mi3.11 mi16302-725314-315314-3116468(Top 58%)5411(Top 44%)5411(Top 99%)
20K12.43 mi3.11 mi16089+2135207+1075207+10715580(Top 55%)4956(Top 41%)4956(Top 91%)
Half13.11 mi0.68 mi16118-295227-205227-2016378(Top 58%)5383(Top 44%)5383(Top 98%)
25K15.53 mi2.42 mi15935+1835126+1015126+10115180(Top 53%)4835(Top 40%)4835(Top 88%)
30K18.64 mi3.11 mi15599+3364996+1304996+13014320(Top 50%)4542(Top 37%)4542(Top 83%)
20M20.00 mi1.36 mi15404+1954927+694927+6913718(Top 48%)4367(Top 36%)4367(Top 80%)
21M21.00 mi1.00 mi15221+1834852+754852+7513420(Top 47%)4326(Top 35%)4326(Top 79%)
35K21.75 mi0.75 mi15106+1154800+524800+5212887(Top 45%)4106(Top 34%)4106(Top 75%)
23M23.00 mi1.25 mi14900+2064705+954705+9512528(Top 44%)4013(Top 33%)4013(Top 73%)
24M24.00 mi1.00 mi14755+1454661+444661+4411942(Top 42%)3781(Top 31%)3781(Top 69%)
40K24.85 mi0.85 mi14597+1584598+634598+6311521(Top 41%)3673(Top 30%)3673(Top 67%)
25.2M25.20 mi0.35 mi14538+594587+114587+1111557(Top 41%)3794(Top 31%)3794(Top 69%)
Finish26.22 mi1.02 mi14356+1824511+764511+7610530(Top 37%)3245(Top 27%)3245(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16468

Females

5411

F18-39

5411

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

16477

Females

5407

F18-39

5407

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16468

Females

5411

F18-39

5411

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15580

Females

4956

F18-39

4956

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16378

Females

5383

F18-39

5383

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15180

Females

4835

F18-39

4835

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14320

Females

4542

F18-39

4542

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13718

Females

4367

F18-39

4367

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13420

Females

4326

F18-39

4326

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12887

Females

4106

F18-39

4106

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

12528

Females

4013

F18-39

4013

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11942

Females

3781

F18-39

3781

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11521

Females

3673

F18-39

3673

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11557

Females

3794

F18-39

3794

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10530

Females

3245

F18-39

3245

Passing Analysis

Category:
Athletes Passed
2778
Passed By
1074
Net Change
+1704
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16060
5K → 10K235405-170#16060#16230
10K → 15K183255-72#16230#16302
15K → 20K315102+213#16302#16089
20K → Half2352-29#16089#16118
Half → 25K25269+183#16118#15935
25K → 30K40973+336#15935#15599
30K → 20M22025+195#15599#15404
20M → 21M20724+183#15404#15221
21M → 35K12813+115#15221#15106
35K → 23M23125+206#15106#14900
23M → 24M15510+145#14900#14755
24M → 40K1668+158#14755#14597
40K → 25.2M656+59#14597#14538
25.2M → Finish1897+182#14538#14356
TOTALS27781074+1704
📊

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