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BOSTON MARATHON 2025

Emily Spresser

Bib: 11755•F

OR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 13%
Division (F18-39)
#0 / 5469
Top 24%
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
7:15/mi
22:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
44:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:06:59
↑ 67↓ 78
20K· 12.43 mi
7:12/mi
1:29:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:34:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:52:04
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:15:58
↑ 181↓ 1480.2%
20M
7:45/mi
2:26:30
↑ 64↓ 500.2%
21M
8:16/mi
2:34:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:40:21
↑ 17↓ 861.7%
23M
7:51/mi
2:50:11
↑ 23↓ 630.6%
24M
7:37/mi
2:57:48
↓ 821.3%
40K· 24.85 mi
7:51/mi
3:04:31
↓ 200.3%
25.2M
9:46/mi
3:07:53
↑ 13↓ 160.2%
Finish· 26.22 mi
7:04/mi
3:15:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:11
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:40:54
Pace7:42 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3322:307:1522:30
7:15
-
10K
6.21 mi11:11:4744:447:1222:14
7:09
-0:06
15K
9.32 mi11:34:021:06:597:1122:15
7:10
+0:01
20K
12.43 mi11:56:241:29:217:1122:22
7:12
+0:02
Half
13.11 mi12:01:141:34:117:114:50
7:05
-0:07
25K
15.53 mi12:19:071:52:047:1317:53
7:23
+0:18
30K
18.64 mi12:43:012:15:587:1823:54
7:42
+0:19
20M
20.00 mi12:53:332:26:307:1910:32
7:45
+0:03
21M
21.00 mi13:01:492:34:467:228:16
8:16
+0:31
35K
21.75 mi13:07:242:40:217:225:35
7:28
-0:48
23M
23.00 mi13:17:142:50:117:249:50
7:51
+0:23
24M
24.00 mi13:24:512:57:487:257:37
7:37
-0:14
40K
24.85 mi13:31:343:04:317:256:43
7:51
+0:14
25.2M
25.20 mi13:34:563:07:537:273:22
9:46
+1:55
Finish
26.22 mi13:42:083:15:057:277:12
7:04
-2:42

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

7:04 /mi

Average Pace

7:27 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:02

6% of race

Time at Steady Pace

2:34:52

79% of race

Time at Slower Pace

28:11

14% of race

Average Pace: 7:26 /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 mi10:49:3322:307:1522:30
7:15
#9853
10K
6.21 mi11:11:4744:447:1222:14
7:09
#9460
15K
9.32 mi11:34:021:06:597:1122:15
7:10
#9227
20K
12.43 mi11:56:241:29:217:1122:22
7:12
#8892
Half
13.11 mi12:01:141:34:117:114:50
7:05
#8838
25K
15.53 mi12:19:071:52:047:1317:53
7:23
#8802
30K
18.64 mi12:43:012:15:587:1823:54
7:42
#8786
20M
20.00 mi12:53:332:26:307:1910:32
7:45
#8743
21M
21.00 mi13:01:492:34:467:228:16
8:16
#8719
35K
21.75 mi13:07:242:40:217:225:35
7:28
#8680
23M
23.00 mi13:17:142:50:117:249:50
7:51
#8644
24M
24.00 mi13:24:512:57:487:257:37
7:37
#8599
40K
24.85 mi13:31:343:04:317:256:43
7:51
#8574
25.2M
25.20 mi13:34:563:07:537:273:22
9:46
#8718
Finish
26.22 mi13:42:083:15:057:277:12
7:04
#8588
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9853174117418808(Top 31%)1343(Top 11%)1343(Top 25%)
10K6.21 mi3.10 mi9460+3931558+1831558+1839137(Top 32%)1432(Top 12%)1432(Top 26%)
15K9.32 mi3.11 mi9227+2331491+671491+678808(Top 31%)1343(Top 11%)1343(Top 25%)
20K12.43 mi3.11 mi8892+3351370+1211370+1218228(Top 29%)1203(Top 10%)1203(Top 22%)
Half13.11 mi0.68 mi8838+541356+141356+148255(Top 29%)1193(Top 10%)1193(Top 22%)
25K15.53 mi2.42 mi8802+361360-41360-48977(Top 32%)1628(Top 13%)1628(Top 30%)
30K18.64 mi3.11 mi8786+161414-541414-549154(Top 32%)1904(Top 16%)1904(Top 35%)
20M20.00 mi1.36 mi8743+431436-221436-228733(Top 31%)1845(Top 15%)1845(Top 34%)
21M21.00 mi1.00 mi8719+241456-201456-209030(Top 32%)2173(Top 18%)2173(Top 40%)
35K21.75 mi0.75 mi8680+391461-51461-58391(Top 30%)1832(Top 15%)1832(Top 33%)
23M23.00 mi1.25 mi8644+361488-271488-278969(Top 32%)2235(Top 18%)2235(Top 41%)
24M24.00 mi1.00 mi8599+451503-151503-158548(Top 30%)2110(Top 17%)2110(Top 39%)
40K24.85 mi0.85 mi8574+251534-311534-319195(Top 32%)2539(Top 21%)2539(Top 46%)
25.2M25.20 mi0.35 mi8718-1441612-781612-7815918(Top 56%)6023(Top 49%)6023(Top 110%)
Finish26.22 mi1.02 mi8588+1301586+261586+266186(Top 22%)1319(Top 11%)1319(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8808

Females

1343

F18-39

1343

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

9137

Females

1432

F18-39

1432

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8808

Females

1343

F18-39

1343

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8228

Females

1203

F18-39

1203

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8255

Females

1193

F18-39

1193

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8977

Females

1628

F18-39

1628

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9154

Females

1904

F18-39

1904

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8733

Females

1845

F18-39

1845

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9030

Females

2173

F18-39

2173

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8391

Females

1832

F18-39

1832

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8969

Females

2235

F18-39

2235

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8548

Females

2110

F18-39

2110

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9195

Females

2539

F18-39

2539

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15918

Females

6023

F18-39

6023

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

6186

Females

1319

F18-39

1319

Passing Analysis

Category:
Athletes Passed
2379
Passed By
1114
Net Change
+1265
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9853
5K → 10K48188+393#9853#9460
10K → 15K30168+233#9460#9227
15K → 20K36025+335#9227#8892
20K → Half6410+54#8892#8838
Half → 25K170134+36#8838#8802
25K → 30K222206+16#8802#8786
30K → 20M11774+43#8786#8743
20M → 21M10076+24#8743#8719
21M → 35K7940+39#8719#8680
35K → 23M13195+36#8680#8644
23M → 24M10156+45#8644#8599
24M → 40K9570+25#8599#8574
40K → 25.2M11155-144#8574#8718
25.2M → Finish14717+130#8718#8588
TOTALS23791114+1265
📊

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