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BOSTON MARATHON 2025

Amanda Tyndall

Bib: 3955•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Female)
#0 / 12228
Top 0.5%
Division (F18-39)
#0 / 5469
Top 0.9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:15
Rank: #1859
Start → 5K
19:15 | 6:12/mi
10K· 6.21 mi
38:27
Rank: #1818 (+41)
5K → 10K
19:12 | 6:11/mi
15K· 9.32 mi
57:26
Rank: #1665 (+153)
10K → 15K
18:59 | 6:07/mi
20K· 12.43 mi
1:16:31
Rank: #1563 (+102)
15K → 20K
19:05 | 6:09/mi
Half· 13.11 mi
1:20:36
Rank: #1534 (+29)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:35:25
Rank: #1445 (+89)
Half → 25K
14:49 | 6:07/mi
30K· 18.64 mi
1:54:36
Rank: #1298 (+147)
25K → 30K
19:11 | 6:10/mi
20M
2:03:04
Rank: #1241 (+57)
30K → 20M
8:28 | 6:14/mi
21M
2:09:43
Rank: #1201 (+40)
20M → 21M
6:39 | 6:39/mi
35K· 21.75 mi
2:14:13
Rank: #1166 (+35)
21M → 35K
4:30 | 6:01/mi
23M
2:22:13
Rank: #1121 (+45)
35K → 23M
8:00 | 6:23/mi
24M
2:28:29
Rank: #1109 (+12)
23M → 24M
6:16 | 6:16/mi
40K· 24.85 mi
2:34:07
Rank: #1118 (-9)
24M → 40K
5:38 | 6:36/mi
25.2M
2:36:24
Rank: #1096 (+22)
40K → 25.2M
2:17 | 6:36/mi
Finish· 26.22 mi
2:42:45
Rank: #1095 (+1)
25.2M → Finish
6:21 | 6:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:36
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:22:09
Pace6:16 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0219:156:1219:15
6:12
-
10K
6.21 mi10:41:1438:276:1119:12
6:11
-0:01
15K
9.32 mi11:00:1357:266:1018:59
6:07
-0:04
20K
12.43 mi11:19:181:16:316:0919:05
6:09
+0:02
Half
13.11 mi11:23:231:20:366:094:05
5:59
-0:10
25K
15.53 mi11:38:121:35:256:0914:49
6:07
+0:08
30K
18.64 mi11:57:231:54:366:0919:11
6:10
+0:03
20M
20.00 mi12:05:512:03:046:098:28
6:14
+0:04
21M
21.00 mi12:12:302:09:436:116:39
6:39
+0:25
35K
21.75 mi12:17:002:14:136:104:30
6:01
-0:38
23M
23.00 mi12:25:002:22:136:118:00
6:23
+0:22
24M
24.00 mi12:31:162:28:296:116:16
6:16
-0:07
40K
24.85 mi12:36:542:34:076:125:38
6:36
+0:20
25.2M
25.20 mi12:39:112:36:246:122:17
6:36
0:00
Finish
26.22 mi12:45:322:42:456:136:21
6:14
-0:22

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

5:59 /mi

Average Pace

6:13 /mi

Slowest Pace

6:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:11

91% of race

Time at Steady Pace

14:34

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:12 /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 mi10:22:0219:156:1219:15
6:12
#1859
10K
6.21 mi10:41:1438:276:1119:12
6:11
#1818
15K
9.32 mi11:00:1357:266:1018:59
6:07
#1665
20K
12.43 mi11:19:181:16:316:0919:05
6:09
#1563
Half
13.11 mi11:23:231:20:366:094:05
5:59
#1534
25K
15.53 mi11:38:121:35:256:0914:49
6:07
#1445
30K
18.64 mi11:57:231:54:366:0919:11
6:10
#1298
20M
20.00 mi12:05:512:03:046:098:28
6:14
#1241
21M
21.00 mi12:12:302:09:436:116:39
6:39
#1201
35K
21.75 mi12:17:002:14:136:104:30
6:01
#1166
23M
23.00 mi12:25:002:22:136:118:00
6:23
#1121
24M
24.00 mi12:31:162:28:296:116:16
6:16
#1109
40K
24.85 mi12:36:542:34:076:125:38
6:36
#1118
25.2M
25.20 mi12:39:112:36:246:122:17
6:36
#1096
Finish
26.22 mi12:45:322:42:456:136:21
6:14
#1095
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi185986861440(Top 5%)64(Top 0.5%)64(Top 1%)
10K6.21 mi3.10 mi1818+4183+383+31818(Top 6%)85(Top 0.7%)85(Top 2%)
15K9.32 mi3.11 mi1665+15374+974+91440(Top 5%)64(Top 0.5%)64(Top 1%)
20K12.43 mi3.11 mi1563+10272+272+21339(Top 5%)65(Top 0.5%)65(Top 1%)
Half13.11 mi0.68 mi1534+2970+270+21137(Top 4%)57(Top 0.5%)57(Top 1%)
25K15.53 mi2.42 mi1445+8966+466+41142(Top 4%)59(Top 0.5%)59(Top 1%)
30K18.64 mi3.11 mi1298+1476666854(Top 3%)49(Top 0.4%)49(Top 0.9%)
20M20.00 mi1.36 mi1241+5764+264+2808(Top 3%)41(Top 0.3%)41(Top 0.7%)
21M21.00 mi1.00 mi1201+4064641079(Top 4%)52(Top 0.4%)52(Top 1.0%)
35K21.75 mi0.75 mi1166+3562+262+2774(Top 3%)48(Top 0.4%)48(Top 0.9%)
23M23.00 mi1.25 mi1121+4560+260+21114(Top 4%)56(Top 0.5%)56(Top 1%)
24M24.00 mi1.00 mi1109+1260601239(Top 4%)71(Top 0.6%)71(Top 1%)
40K24.85 mi0.85 mi1118-959+159+11964(Top 7%)148(Top 1%)148(Top 3%)
25.2M25.20 mi0.35 mi1096+2258+158+1595(Top 2%)40(Top 0.3%)40(Top 0.7%)
Finish26.22 mi1.02 mi1095+158581648(Top 6%)110(Top 0.9%)110(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1440

Females

64

F18-39

64

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1818

Females

85

F18-39

85

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1440

Females

64

F18-39

64

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1339

Females

65

F18-39

65

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1137

Females

57

F18-39

57

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1142

Females

59

F18-39

59

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

854

Females

49

F18-39

49

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

808

Females

41

F18-39

41

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1079

Females

52

F18-39

52

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

774

Females

48

F18-39

48

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1114

Females

56

F18-39

56

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1239

Females

71

F18-39

71

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1964

Females

148

F18-39

148

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

595

Females

40

F18-39

40

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1648

Females

110

F18-39

110

Passing Analysis

Category:
Athletes Passed
937
Passed By
173
Net Change
+764
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1859
5K → 10K12180+41#1859#1818
10K → 15K1607+153#1818#1665
15K → 20K1086+102#1665#1563
20K → Half323+29#1563#1534
Half → 25K923+89#1534#1445
25K → 30K1492+147#1445#1298
30K → 20M614+57#1298#1241
20M → 21M499+40#1241#1201
21M → 35K361+35#1201#1166
35K → 23M549+45#1166#1121
23M → 24M219+12#1121#1109
24M → 40K1322-9#1109#1118
40K → 25.2M220+22#1118#1096
25.2M → Finish1918+1#1096#1095
TOTALS937173+764
📊

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