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BOSTON MARATHON 2025

Emily Guerra

Bib: 32386•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:43
Rank: #26072
Start → 5K
31:43 | 10:13/mi
10K· 6.21 mi
1:04:18
Rank: #26187 (-115)
5K → 10K
32:35 | 10:29/mi
15K· 9.32 mi
1:37:06
Rank: #26114 (+73)
10K → 15K
32:48 | 10:33/mi
20K· 12.43 mi
2:10:38
Rank: #25988 (+126)
15K → 20K
33:32 | 10:48/mi
Half· 13.11 mi
2:18:02
Rank: #26006 (-18)
20K → Half
7:24 | 10:51/mi
25K· 15.53 mi
2:45:27
Rank: #25963 (+43)
Half → 25K
27:25 | 11:18/mi
30K· 18.64 mi
3:21:40
Rank: #25784 (+179)
25K → 30K
36:13 | 11:39/mi
20M
3:37:17
Rank: #25688 (+96)
30K → 20M
15:37 | 11:30/mi
21M
3:49:44
Rank: #25607 (+81)
20M → 21M
12:27 | 12:27/mi
35K· 21.75 mi
3:58:50
Rank: #25647 (-40)
21M → 35K
9:06 | 12:10/mi
23M
4:13:24
Rank: #25615 (+32)
35K → 23M
14:34 | 11:38/mi
24M
4:25:01
Rank: #25609 (+6)
23M → 24M
11:37 | 11:38/mi
40K· 24.85 mi
4:35:05
Rank: #25580 (+29)
24M → 40K
10:04 | 11:47/mi
25.2M
4:39:09
Rank: #25534 (+46)
40K → 25.2M
4:04 | 11:47/mi
Finish· 26.22 mi
4:49:32
Rank: #25479 (+55)
25.2M → Finish
10:23 | 10:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:02
Pace10:32 /mi
2nd Half
Distance13.11 mi
Time2:31:30
Pace11:33 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:5831:4310:1331:43
10:13
-
10K
6.21 mi12:29:331:04:1810:2132:35
10:29
+0:16
15K
9.32 mi13:02:211:37:0610:2532:48
10:33
+0:04
20K
12.43 mi13:35:532:10:3810:3133:32
10:48
+0:15
Half
13.11 mi13:43:172:18:0210:327:24
10:51
+0:03
25K
15.53 mi14:10:422:45:2710:3927:25
11:18
+0:27
30K
18.64 mi14:46:553:21:4010:4936:13
11:39
+0:21
20M
20.00 mi15:02:323:37:1710:5215:37
11:30
-0:09
21M
21.00 mi15:14:593:49:4410:5612:27
12:27
+0:57
35K
21.75 mi15:24:053:58:5010:599:06
12:10
-0:17
23M
23.00 mi15:38:394:13:2411:0114:34
11:38
-0:32
24M
24.00 mi15:50:164:25:0111:0311:37
11:38
0:00
40K
24.85 mi16:00:204:35:0511:0410:04
11:47
+0:09
25.2M
25.20 mi16:04:244:39:0911:054:04
11:47
0:00
Finish
26.22 mi16:14:474:49:3211:0310:23
10:11
-1:36

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

10:11 /mi

Average Pace

11:03 /mi

Slowest Pace

12:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:25

51% of race

Time at Steady Pace

1:59:34

41% of race

Time at Slower Pace

21:33

7% of race

Average Pace: 11:03 /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 mi11:56:5831:4310:1331:43
10:13
#26072
10K
6.21 mi12:29:331:04:1810:2132:35
10:29
#26187
15K
9.32 mi13:02:211:37:0610:2532:48
10:33
#26114
20K
12.43 mi13:35:532:10:3810:3133:32
10:48
#25988
Half
13.11 mi13:43:172:18:0210:327:24
10:51
#26006
25K
15.53 mi14:10:422:45:2710:3927:25
11:18
#25963
30K
18.64 mi14:46:553:21:4010:4936:13
11:39
#25784
20M
20.00 mi15:02:323:37:1710:5215:37
11:30
#25688
21M
21.00 mi15:14:593:49:4410:5612:27
12:27
#25607
35K
21.75 mi15:24:053:58:5010:599:06
12:10
#25647
23M
23.00 mi15:38:394:13:2411:0114:34
11:38
#25615
24M
24.00 mi15:50:164:25:0111:0311:37
11:38
#25609
40K
24.85 mi16:00:204:35:0511:0410:04
11:47
#25580
25.2M
25.20 mi16:04:244:39:0911:054:04
11:47
#25534
Finish
26.22 mi16:14:474:49:3211:0310:23
10:11
#25479
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 mi26072108011080126029(Top 92%)10805(Top 88%)10805(Top 198%)
10K6.21 mi3.10 mi26187-11510875-7410875-7426237(Top 92%)10928(Top 89%)10928(Top 200%)
15K9.32 mi3.11 mi26114+7310844+3110844+3126029(Top 92%)10805(Top 88%)10805(Top 198%)
20K12.43 mi3.11 mi25988+12610780+6410780+6425699(Top 90%)10641(Top 87%)10641(Top 195%)
Half13.11 mi0.68 mi26006-1810794-1410794-1426304(Top 93%)10997(Top 90%)10997(Top 201%)
25K15.53 mi2.42 mi25963+4310774+2010774+2025625(Top 90%)10645(Top 87%)10645(Top 195%)
30K18.64 mi3.11 mi25784+17910711+6310711+6325073(Top 88%)10447(Top 85%)10447(Top 191%)
20M20.00 mi1.36 mi25688+9610675+3610675+3624508(Top 86%)10225(Top 84%)10225(Top 187%)
21M21.00 mi1.00 mi25607+8110642+3310642+3324323(Top 86%)10198(Top 83%)10198(Top 186%)
35K21.75 mi0.75 mi25647-4010670-2810670-2826073(Top 92%)11131(Top 91%)11131(Top 204%)
23M23.00 mi1.25 mi25615+3210665+510665+524457(Top 86%)10326(Top 84%)10326(Top 189%)
24M24.00 mi1.00 mi25609+610678-1310678-1325105(Top 88%)10678(Top 87%)10678(Top 195%)
40K24.85 mi0.85 mi25580+2910671+710671+724606(Top 87%)10478(Top 86%)10478(Top 192%)
25.2M25.20 mi0.35 mi25534+4610655+1610655+1622710(Top 80%)9527(Top 78%)9527(Top 174%)
Finish26.22 mi1.02 mi25479+5510626+2910626+2923471(Top 83%)9918(Top 81%)9918(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

26029

Females

10805

F18-39

10805

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26237

Females

10928

F18-39

10928

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

26029

Females

10805

F18-39

10805

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25699

Females

10641

F18-39

10641

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26304

Females

10997

F18-39

10997

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25625

Females

10645

F18-39

10645

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

25073

Females

10447

F18-39

10447

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24508

Females

10225

F18-39

10225

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24323

Females

10198

F18-39

10198

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

26073

Females

11131

F18-39

11131

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

24457

Females

10326

F18-39

10326

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

25105

Females

10678

F18-39

10678

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24606

Females

10478

F18-39

10478

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22710

Females

9527

F18-39

9527

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23471

Females

9918

F18-39

9918

Passing Analysis

Category:
Athletes Passed
1270
Passed By
677
Net Change
+593
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26072
5K → 10K128243-115#26072#26187
10K → 15K16087+73#26187#26114
15K → 20K18155+126#26114#25988
20K → Half1533-18#25988#26006
Half → 25K10966+43#26006#25963
25K → 30K20829+179#25963#25784
30K → 20M1048+96#25784#25688
20M → 21M9514+81#25688#25607
21M → 35K2262-40#25607#25647
35K → 23M5826+32#25647#25615
23M → 24M3428+6#25615#25609
24M → 40K4819+29#25609#25580
40K → 25.2M482+46#25580#25534
25.2M → Finish605+55#25534#25479
TOTALS1270677+593
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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