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BOSTON MARATHON 2025

Sarah Lyons

Bib: 19327•F

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 50%
Gender (Female)
#0 / 12228
Top 36%
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
7:49/mi
24:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
48:07
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:11:44
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:35:47
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:40:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:00:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:26:30
↑ 181↓ 1480.2%
20M
8:48/mi
2:38:28
↑ 64↓ 500.2%
21M
9:37/mi
2:48:05
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
2:54:13
↑ 17↓ 861.7%
23M
8:42/mi
3:05:07
↑ 23↓ 630.6%
24M
8:34/mi
3:13:41
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:21:21
↓ 200.3%
25.2M
9:57/mi
3:24:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:33:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:58
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:52:22
Pace8:34 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0824:177:4924:17
7:49
-
10K
6.21 mi11:41:5848:077:4523:50
7:40
-0:09
15K
9.32 mi12:05:351:11:447:4223:37
7:36
-0:04
20K
12.43 mi12:29:381:35:477:4224:03
7:44
+0:08
Half
13.11 mi12:34:491:40:587:425:11
7:36
-0:08
25K
15.53 mi12:54:042:00:137:4419:15
7:56
+0:20
30K
18.64 mi13:20:212:26:307:5226:17
8:28
+0:32
20M
20.00 mi13:32:192:38:287:5511:58
8:48
+0:20
21M
21.00 mi13:41:562:48:058:009:37
9:37
+0:49
35K
21.75 mi13:48:042:54:138:016:08
8:12
-1:25
23M
23.00 mi13:58:583:05:078:0310:54
8:42
+0:30
24M
24.00 mi14:07:323:13:418:048:34
8:34
-0:08
40K
24.85 mi14:15:123:21:218:067:40
8:58
+0:24
25.2M
25.20 mi14:18:383:24:478:083:26
9:57
+0:59
Finish
26.22 mi14:27:113:33:208:098:33
8:23
-1:34

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

7:36 /mi

Average Pace

8:09 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:13

56% of race

Time at Steady Pace

1:00:26

28% of race

Time at Slower Pace

32:41

15% of race

Average Pace: 8:08 /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 mi11:18:0824:177:4924:17
7:49
#14969
10K
6.21 mi11:41:5848:077:4523:50
7:40
#14282
15K
9.32 mi12:05:351:11:447:4223:37
7:36
#13715
20K
12.43 mi12:29:381:35:477:4224:03
7:44
#13440
Half
13.11 mi12:34:491:40:587:425:11
7:36
#13383
25K
15.53 mi12:54:042:00:137:4419:15
7:56
#13347
30K
18.64 mi13:20:212:26:307:5226:17
8:28
#13560
20M
20.00 mi13:32:192:38:287:5511:58
8:48
#13700
21M
21.00 mi13:41:562:48:058:009:37
9:37
#13894
35K
21.75 mi13:48:042:54:138:016:08
8:12
#13849
23M
23.00 mi13:58:583:05:078:0310:54
8:42
#13917
24M
24.00 mi14:07:323:13:418:048:34
8:34
#13974
40K
24.85 mi14:15:123:21:218:067:40
8:58
#14061
25.2M
25.20 mi14:18:383:24:478:083:26
9:57
#14102
Finish
26.22 mi14:27:113:33:208:098:33
8:23
#14127
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi149694510451012624(Top 44%)3236(Top 26%)3236(Top 59%)
10K6.21 mi3.10 mi14282+6874107+4034107+40313647(Top 48%)3750(Top 31%)3750(Top 69%)
15K9.32 mi3.11 mi13715+5673803+3043803+30412624(Top 44%)3236(Top 26%)3236(Top 59%)
20K12.43 mi3.11 mi13440+2753684+1193684+11912784(Top 45%)3433(Top 28%)3433(Top 63%)
Half13.11 mi0.68 mi13383+573661+233661+2312642(Top 45%)3326(Top 27%)3326(Top 61%)
25K15.53 mi2.42 mi13347+363681-203681-2013449(Top 47%)3916(Top 32%)3916(Top 72%)
30K18.64 mi3.11 mi13560-2133855-1743855-17414516(Top 51%)4635(Top 38%)4635(Top 85%)
20M20.00 mi1.36 mi13700-1403968-1133968-11315699(Top 55%)5412(Top 44%)5412(Top 99%)
21M21.00 mi1.00 mi13894-1944112-1444112-14416630(Top 59%)6040(Top 49%)6040(Top 110%)
35K21.75 mi0.75 mi13849+454105+74105+713655(Top 48%)4502(Top 37%)4502(Top 82%)
23M23.00 mi1.25 mi13917-684177-724177-7214597(Top 51%)5117(Top 42%)5117(Top 94%)
24M24.00 mi1.00 mi13974-574247-704247-7014951(Top 53%)5346(Top 44%)5346(Top 98%)
40K24.85 mi0.85 mi14061-874310-634310-6316112(Top 57%)6093(Top 50%)6093(Top 111%)
25.2M25.20 mi0.35 mi14102-414347-374347-3716835(Top 59%)6489(Top 53%)6489(Top 119%)
Finish26.22 mi1.02 mi14127-254383-364383-3615517(Top 55%)5757(Top 47%)5757(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

12624

Females

3236

F18-39

3236

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13647

Females

3750

F18-39

3750

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

12624

Females

3236

F18-39

3236

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12784

Females

3433

F18-39

3433

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12642

Females

3326

F18-39

3326

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13449

Females

3916

F18-39

3916

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14516

Females

4635

F18-39

4635

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15699

Females

5412

F18-39

5412

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16630

Females

6040

F18-39

6040

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13655

Females

4502

F18-39

4502

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14597

Females

5117

F18-39

5117

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14951

Females

5346

F18-39

5346

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16112

Females

6093

F18-39

6093

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16835

Females

6489

F18-39

6489

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15517

Females

5757

F18-39

5757

Passing Analysis

Category:
Athletes Passed
2635
Passed By
1793
Net Change
+842
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14969
5K → 10K76376+687#14969#14282
10K → 15K59427+567#14282#13715
15K → 20K33863+275#13715#13440
20K → Half6912+57#13440#13383
Half → 25K174138+36#13383#13347
25K → 30K175388-213#13347#13560
30K → 20M93233-140#13560#13700
20M → 21M51245-194#13700#13894
21M → 35K7934+45#13894#13849
35K → 23M93161-68#13849#13917
23M → 24M68125-57#13917#13974
24M → 40K51138-87#13974#14061
40K → 25.2M2364-41#14061#14102
25.2M → Finish6489-25#14102#14127
TOTALS26351793+842
📊

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