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BOSTON MARATHON 2023

Giancarlo Geremia

Bib: 30965•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:28
Rank: #23750
Start → 5K
31:28 | 10:08/mi
10K· 6.21 mi
1:03:02
Rank: #23944 (-194)
5K → 10K
31:34 | 10:10/mi
15K· 9.32 mi
1:34:50
Rank: #23946 (-2)
10K → 15K
31:48 | 10:14/mi
20K· 12.43 mi
2:05:27
Rank: #23627 (+319)
15K → 20K
30:37 | 9:51/mi
Half· 13.11 mi
2:12:09
Rank: #23595 (+32)
20K → Half
6:42 | 9:49/mi
25K· 15.53 mi
2:36:23
Rank: #23358 (+237)
Half → 25K
24:14 | 10:00/mi
30K· 18.64 mi
3:08:47
Rank: #23104 (+254)
25K → 30K
32:24 | 10:26/mi
20M
3:22:49
Rank: #22962 (+142)
30K → 20M
14:02 | 10:20/mi
21M
3:33:42
Rank: #22831 (+131)
20M → 21M
10:53 | 10:53/mi
35K· 21.75 mi
3:41:16
Rank: #22773 (+58)
21M → 35K
7:34 | 10:07/mi
23M
3:54:24
Rank: #22684 (+89)
35K → 23M
13:08 | 10:29/mi
24M
4:04:42
Rank: #22626 (+58)
23M → 24M
10:18 | 10:18/mi
40K· 24.85 mi
4:13:47
Rank: #22600 (+26)
24M → 40K
9:05 | 10:37/mi
25.2M
4:17:33
Rank: #22572 (+28)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:27:36
Rank: #22529 (+43)
25.2M → Finish
10:03 | 9:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:09
Pace10:05 /mi
2nd Half
Distance13.11 mi
Time2:15:27
Pace10:20 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2231:2810:0831:28
10:08
-
10K
6.21 mi12:24:561:03:0210:0931:34
10:10
+0:02
15K
9.32 mi12:56:441:34:5010:1031:48
10:14
+0:04
20K
12.43 mi13:27:212:05:2710:0630:37
9:51
-0:23
Half
13.11 mi13:34:032:12:0910:056:42
9:49
-0:02
25K
15.53 mi13:58:172:36:2310:0424:14
10:00
+0:11
30K
18.64 mi14:30:413:08:4710:0832:24
10:26
+0:26
20M
20.00 mi14:44:433:22:4910:0814:02
10:20
-0:06
21M
21.00 mi14:55:363:33:4210:1110:53
10:53
+0:33
35K
21.75 mi15:03:103:41:1610:107:34
10:07
-0:46
23M
23.00 mi15:16:183:54:2410:1113:08
10:29
+0:22
24M
24.00 mi15:26:364:04:4210:1210:18
10:18
-0:11
40K
24.85 mi15:35:414:13:4710:139:05
10:37
+0:19
25.2M
25.20 mi15:39:274:17:3310:133:46
10:55
+0:18
Finish
26.22 mi15:49:304:27:3610:1310:03
9:52
-1:03

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

9:49 /mi

Average Pace

10:13 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:12:57

95% of race

Time at Steady Pace

14:39

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:12 /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 mi11:53:2231:2810:0831:28
10:08
#23750
10K
6.21 mi12:24:561:03:0210:0931:34
10:10
#23944
15K
9.32 mi12:56:441:34:5010:1031:48
10:14
#23946
20K
12.43 mi13:27:212:05:2710:0630:37
9:51
#23627
Half
13.11 mi13:34:032:12:0910:056:42
9:49
#23595
25K
15.53 mi13:58:172:36:2310:0424:14
10:00
#23358
30K
18.64 mi14:30:413:08:4710:0832:24
10:26
#23104
20M
20.00 mi14:44:433:22:4910:0814:02
10:20
#22962
21M
21.00 mi14:55:363:33:4210:1110:53
10:53
#22831
35K
21.75 mi15:03:103:41:1610:107:34
10:07
#22773
23M
23.00 mi15:16:183:54:2410:1113:08
10:29
#22684
24M
24.00 mi15:26:364:04:4210:1210:18
10:18
#22626
40K
24.85 mi15:35:414:13:4710:139:05
10:37
#22600
25.2M
25.20 mi15:39:274:17:3310:133:46
10:55
#22572
Finish
26.22 mi15:49:304:27:3610:1310:03
9:52
#22529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi23750139541395423956(Top 90%)14063(Top 93%)14063(Top 628%)
10K6.21 mi3.10 mi23944-19414058-10414058-10424042(Top 90%)14108(Top 93%)14108(Top 630%)
15K9.32 mi3.11 mi23946-214064-614064-623956(Top 90%)14063(Top 93%)14063(Top 628%)
20K12.43 mi3.11 mi23627+31913925+13913925+13922535(Top 85%)13413(Top 88%)13413(Top 599%)
Half13.11 mi0.68 mi23595+3213913+1213913+1222901(Top 86%)13576(Top 89%)13576(Top 606%)
25K15.53 mi2.42 mi23358+23713791+12213791+12222209(Top 83%)13237(Top 87%)13237(Top 591%)
30K18.64 mi3.11 mi23104+25413642+14913642+14922070(Top 83%)13103(Top 86%)13103(Top 585%)
20M20.00 mi1.36 mi22962+14213563+7913563+7921335(Top 80%)12716(Top 84%)12716(Top 567%)
21M21.00 mi1.00 mi22831+13113493+7013493+7020560(Top 77%)12322(Top 81%)12322(Top 550%)
35K21.75 mi0.75 mi22773+5813452+4113452+4121580(Top 81%)12747(Top 84%)12747(Top 569%)
23M23.00 mi1.25 mi22684+8913410+4213410+4221290(Top 80%)12593(Top 83%)12593(Top 562%)
24M24.00 mi1.00 mi22626+5813369+4113369+4121561(Top 81%)12665(Top 83%)12665(Top 565%)
40K24.85 mi0.85 mi22600+2613351+1813351+1821521(Top 81%)12600(Top 83%)12600(Top 562%)
25.2M25.20 mi0.35 mi22572+2813336+1513336+1520270(Top 76%)12059(Top 79%)12059(Top 538%)
Finish26.22 mi1.02 mi22529+4313305+3113305+3121347(Top 80%)12583(Top 83%)12583(Top 561%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

23956

Males

14063

M40-44

14063

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

24042

Males

14108

M40-44

14108

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

23956

Males

14063

M40-44

14063

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22535

Males

13413

M40-44

13413

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

22901

Males

13576

M40-44

13576

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22209

Males

13237

M40-44

13237

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

22070

Males

13103

M40-44

13103

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21335

Males

12716

M40-44

12716

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20560

Males

12322

M40-44

12322

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21580

Males

12747

M40-44

12747

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21290

Males

12593

M40-44

12593

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21561

Males

12665

M40-44

12665

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21521

Males

12600

M40-44

12600

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20270

Males

12059

M40-44

12059

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21347

Males

12583

M40-44

12583

Passing Analysis

Category:
Athletes Passed
1763
Passed By
542
Net Change
+1221
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23750
5K → 10K105299-194#23750#23944
10K → 15K119121-2#23944#23946
15K → 20K33011+319#23946#23627
20K → Half408+32#23627#23595
Half → 25K2447+237#23595#23358
25K → 30K28329+254#23358#23104
30K → 20M1486+142#23104#22962
20M → 21M1343+131#22962#22831
21M → 35K679+58#22831#22773
35K → 23M989+89#22773#22684
23M → 24M7012+58#22684#22626
24M → 40K3610+26#22626#22600
40K → 25.2M324+28#22600#22572
25.2M → Finish5714+43#22572#22529
TOTALS1763542+1221
📊

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