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BOSTON MARATHON 2025

Isabella Santiago Lindsay

Bib: 9321•F

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 28%
Gender (Female)
#0 / 12228
Top 11%
Division (F18-39)
#0 / 5469
Top 21%
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
6:49/mi
21:11
↑ 97↓ 3451.5%
10K· 6.21 mi
6:41/mi
41:57
↑ 79↓ 1380.4%
15K· 9.32 mi
6:52/mi
1:03:17
↑ 67↓ 78
20K· 12.43 mi
7:14/mi
1:25:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:30:35
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:48:35
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:13:13
↑ 181↓ 1480.2%
20M
8:03/mi
2:24:09
↑ 64↓ 500.2%
21M
8:36/mi
2:32:45
↑ 106↓ 241.6%
35K· 21.75 mi
7:25/mi
2:38:18
↑ 17↓ 861.7%
23M
7:57/mi
2:48:15
↑ 23↓ 630.6%
24M
7:47/mi
2:56:02
↓ 821.3%
40K· 24.85 mi
7:58/mi
3:02:51
↓ 200.3%
25.2M
8:39/mi
3:05:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:28/mi
3:13:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:35
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:42:52
Pace7:51 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3521:116:4921:11
6:49
-
10K
6.21 mi11:07:2141:576:4520:46
6:41
-0:08
15K
9.32 mi11:28:411:03:176:4721:20
6:52
+0:11
20K
12.43 mi11:51:081:25:446:5422:27
7:14
+0:22
Half
13.11 mi11:55:591:30:356:554:51
7:07
-0:07
25K
15.53 mi12:13:591:48:356:5918:00
7:25
+0:18
30K
18.64 mi12:38:372:13:137:0924:38
7:56
+0:31
20M
20.00 mi12:49:332:24:097:1210:56
8:03
+0:07
21M
21.00 mi12:58:092:32:457:168:36
8:36
+0:33
35K
21.75 mi13:03:422:38:187:175:33
7:25
-1:11
23M
23.00 mi13:13:392:48:157:199:57
7:57
+0:32
24M
24.00 mi13:21:262:56:027:207:47
7:47
-0:10
40K
24.85 mi13:28:153:02:517:216:49
7:58
+0:11
25.2M
25.20 mi13:31:143:05:507:222:59
8:39
+0:41
Finish
26.22 mi13:38:513:13:277:237:37
7:28
-1:11

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

6:41 /mi

Average Pace

7:23 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:08

35% of race

Time at Steady Pace

53:37

28% of race

Time at Slower Pace

1:11:42

37% of race

Average Pace: 7:23 /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 mi10:46:3521:116:4921:11
6:49
#6482
10K
6.21 mi11:07:2141:576:4520:46
6:41
#5850
15K
9.32 mi11:28:411:03:176:4721:20
6:52
#6095
20K
12.43 mi11:51:081:25:446:5422:27
7:14
#6810
Half
13.11 mi11:55:591:30:356:554:51
7:07
#6910
25K
15.53 mi12:13:591:48:356:5918:00
7:25
#7195
30K
18.64 mi12:38:372:13:137:0924:38
7:56
#7652
20M
20.00 mi12:49:332:24:097:1210:56
8:03
#7810
21M
21.00 mi12:58:092:32:457:168:36
8:36
#7923
35K
21.75 mi13:03:422:38:187:175:33
7:25
#7886
23M
23.00 mi13:13:392:48:157:199:57
7:57
#7928
24M
24.00 mi13:21:262:56:027:207:47
7:47
#7989
40K
24.85 mi13:28:153:02:517:216:49
7:58
#8040
25.2M
25.20 mi13:31:143:05:507:222:59
8:39
#8053
Finish
26.22 mi13:38:513:13:277:237:37
7:28
#8051
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi64825705706739(Top 24%)669(Top 5%)669(Top 12%)
10K6.21 mi3.10 mi5850+632453+117453+1175233(Top 18%)368(Top 3%)368(Top 7%)
15K9.32 mi3.11 mi6095-245500-47500-476739(Top 24%)669(Top 5%)669(Top 12%)
20K12.43 mi3.11 mi6810-715661-161661-1618436(Top 30%)1289(Top 11%)1289(Top 24%)
Half13.11 mi0.68 mi6910-100689-28689-288424(Top 30%)1262(Top 10%)1262(Top 23%)
25K15.53 mi2.42 mi7195-285783-94783-949340(Top 33%)1786(Top 15%)1786(Top 33%)
30K18.64 mi3.11 mi7652-457977-194977-19410863(Top 38%)2709(Top 22%)2709(Top 50%)
20M20.00 mi1.36 mi7810-1581068-911068-9110749(Top 38%)2796(Top 23%)2796(Top 51%)
21M21.00 mi1.00 mi7923-1131147-791147-7911100(Top 39%)3140(Top 26%)3140(Top 57%)
35K21.75 mi0.75 mi7886+371153-61153-68081(Top 28%)1707(Top 14%)1707(Top 31%)
23M23.00 mi1.25 mi7928-421218-651218-659638(Top 34%)2557(Top 21%)2557(Top 47%)
24M24.00 mi1.00 mi7989-611275-571275-579693(Top 34%)2647(Top 22%)2647(Top 48%)
40K24.85 mi0.85 mi8040-511328-531328-5310009(Top 35%)2921(Top 24%)2921(Top 53%)
25.2M25.20 mi0.35 mi8053-131338-101338-109732(Top 34%)2858(Top 23%)2858(Top 52%)
Finish26.22 mi1.02 mi8051+21374-361374-369021(Top 32%)2539(Top 21%)2539(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6739

Females

669

F18-39

669

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

5233

Females

368

F18-39

368

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6739

Females

669

F18-39

669

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8436

Females

1289

F18-39

1289

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8424

Females

1262

F18-39

1262

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9340

Females

1786

F18-39

1786

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10863

Females

2709

F18-39

2709

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10749

Females

2796

F18-39

2796

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11100

Females

3140

F18-39

3140

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

8081

Females

1707

F18-39

1707

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9638

Females

2557

F18-39

2557

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9693

Females

2647

F18-39

2647

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

10009

Females

2921

F18-39

2921

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9732

Females

2858

F18-39

2858

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9021

Females

2539

F18-39

2539

Passing Analysis

Category:
Athletes Passed
1406
Passed By
2975
Net Change
-1569
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6482
5K → 10K65523+632#6482#5850
10K → 15K80325-245#5850#6095
15K → 20K22737-715#6095#6810
20K → Half8108-100#6810#6910
Half → 25K61346-285#6910#7195
25K → 30K71528-457#7195#7652
30K → 20M47205-158#7652#7810
20M → 21M77190-113#7810#7923
21M → 35K7033+37#7923#7886
35K → 23M95137-42#7886#7928
23M → 24M52113-61#7928#7989
24M → 40K57108-51#7989#8040
40K → 25.2M2740-13#8040#8053
25.2M → Finish8482+2#8053#8051
TOTALS14062975-1569
📊

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